CW Diode Drivers

ST Series Diode Drivers

1. LDD Series Laser Diode Drivers without TEC

The laser diode driver ST-LDD-AAVV is a high current-constant laser diode driver without thermo-electric cooler controller. Current control, transient suppression, over-temperature protection, short circuit protection, and over current limit are provided. 2 digital meters show the output current and output voltage. The driver is mainly used to drive diode modules.

Specifications:

• Model:   ST-LDD-AAVV

• ST-LDD- ST series laser diode drivers

• AA-maximum output current (A). The output current is continuously adjustable.

• VV-maximum output voltage (V). The output voltage is determined by current & diode’s resistance.

• Input voltage: 220VAC, +/-15%

• Voltage noise: <0.1% p-p

• Current noise: < =50mA

• Un-stability:  <0.1%

• Dimension: 482×88x260mm

• Net weight: 6.5kg

Remark:

To select a driver, you may finalise the output voltage first and then finalise maximum output power. The maximum output current will be the maximum power divided by the output voltage.

Typical Diode Drivers:

2. ST-LDDJ Series Diode Drivers

ST-LDDJ series diode drivers are all-in-one systems which consists of system controller, diode driver and TEC controller. The diode drivers have two types of outlooks: OEM 19” drivers and bench- top drivers. The users may integrate our drivers into their systems or just individually use in the laboratory. Our  drivers can drive one laser diode and one TEC cooler.

Features:

• OEM 19” drivers are 2U size and the input is 220VAC 50Hz

• Support one diode and one TEC cooler

• Output current continuously adj., and voltage self adaptive

• RS232 port to communicate with a PC with our software STXFMate

• INTERLOCK and temperature protection

• Output current can be controlled internlly or externlly

• Optional PWM modulation output

Standard Models:

Remark: part number: ST-LDDJ-xxAyyV-TECx-OEM，output max. current xxA, self adaptive volatge 0-yyV, TECz is TEC part number and z is numbering (please refer to the following table. OEM is OEM 19” drivers and no OEM means bench-top drivers.

Remark: 1) Default is 10k NTC  temperature sensor. 2) We do not supply TEC coolers and customer can buy in local market.

STYA Series Laser Diode Drivers

The series of the diode laser power supply introduced by our company has the advantages of ultra-low current ripple, ultra-low temperature drift, high stability and high reliability. The power supply adopts PWM conversion technology and the overall conversion efficiency is very high. The power supply can be controlled by the front panel operation, or by external devices through the external control interface, and also can be connected to a computer through the RS232 interface for remote control. We fully consider the laser diode LD protection measures with over current, over voltage, over temperature and anti-static protection functions. The power supply has emergency termination laser output function and operation button.

This series of power supplies are divided into external type WZ, built-in type NZ, laboratory type SY (desktop), TT type which can be used independently on the table or integrated into the system, and WK type which is only used for drive a TEC cooler for temperature control. And the output drive and control are diode drive, one or two TEC temperature control, acousto-optic Q-switch control. Also our company can customize all kinds of diode driver according to the specific needs of customers.

1.  Diode laser drive STYA-12V12A-1T-SY

STYA-12V12A-1T-SY diode laser driver (hereinafter referred to as "power supply") is one of the laboratory-use (desktop) series of power supplies launched by our company. The characteristics of this series of power supplies are ultra-low current ripple, ultra-low temperature drift, high stability and high reliability. The power supply adopts PWM conversion technology, the overall conversion efficiency is very high. The power supply can be controlled by the front panel operation, or by external devices through the external control interface, and also can be connected to a computer through the RS232 interface for remote control. The power supply design fully considers for the laser diode LD protection measures with over current, over voltage, over temperature and anti-static protection functions. The power supply has emergency termination laser output function and operation button. The front panel of the power supply is designed with local/remote, internal control/external control switch, that is convenient for users to switch to various control modes. Its display screen can display set current, measured current, measured temperature, limit current parameters. At the same time, a data storage unit is designed inside the power supply, which can store power status parameters at any time. The power supply has a limit current setting function. When the limit current is set, the set current during power operation will not exceed the limit value under any circumstances. The power supply has real-time detection and display function of LD temperature, and the control temperature of LD can be adjusted through the front panel. The front panel of the power supply is also designed with a variety of status indicator LED, convenient for users to know the state of power supply. The power supply can also provide an external control interface (DB15) on the rear panel to control external devices, so as to set the current value and start/stop the current operation. The external control interface can also provide real-time current detection signals, power failure signals, and interlock signals of external devices. When the power supply is in the remote control status, the host computer can set the current value of the power supply, the current start/stop operation, query the power supply parameters at any time, accept the power upload information. The main features are as follows:

• Set laser diode LD drive and TEC temperature control as a whole

• Local control and computer remote control are optional

• With external control interface, support external device control

• High efficiency, high precision and high reliability

• Ultra-low current ripple, ultra-low temperature drift

• Current start zero overshoot, current close zero recoil

• Complete over current, over voltage, over temperature and anti-static protection function

• Automatic memory function, at any time to store various power parameters

• With the function of setting current and limiting current setting

• LD temperature setting function

• Interlock signal interface for external equipment

• Key switch, emergency stop switch function

• Full metal housing with zero external radiation interference

Main technical parameters:

2. Diode laser drive power STYA-16V16A-TT
  

STYA-16V16A-TT diode laser drive (hereinafter referred to as "power supply") is one of the series LD drive power supplies launched by our company. This series of power supply has the features: can be completely independent use, also can be easily integrated into the system. The power supply adopts PWM control technology and our company's core patent technology, with the overall conversion efficiency is very high, low current ripple, low temperature drift characteristics. The power supply can be either controlled locally by the front panel or through the external control interface, or controlled remotely by the computer. When the front panel is used for control, the power supply also has the function of limiting current setting and automatic storage of power supply parameters. If the power supply is to be integrated into the system or controlled by external devices, just put the "internal control/external control" toggle switch in the "external control" position and then control through the external control interface (DB15). And power supply support computer remote control, through the RS232 interface can realize the setting of current size, current start and stop operation, at any time to query the power of various state parameters, accept all kinds of information uploaded by the power supply. The power supply is designed with the interlocking signal interface of external equipment, which is convenient to realize the interlocking between the power supply and external equipment (water cooler, etc.) under any control mode. The drive current output interface of the power supply can be selected in two ways: 1. Terminal mode, suitable for users of laboratory or integrated systems; 2. Aviation plug mode, suitable for power supply and solid state laser and other relatively fixed connection users.  The main features are as follows:

• Full digital design, compact structure, excellent performance

• It can be used independently or integrated into the system

• Local control and computer remote control are optional

• With external control interface, support external device control

• High efficiency, high precision and high reliability

• Ultra-low current ripple, ultra-low temperature drift

• Current start zero overshoot, current close zero recoil

• Complete over current, over voltage, over temperature and anti-static protection function

• With automatic memory function, it can store various parameters of power supply at any time

• It has the function of limiting current setting

• Interlock signal interface for external equipment

• There is a key switch to prevent unqualified personnel from opening

• Full metal housing with zero external radiation interference

Main technical specifications:

List of STYA-16V16A-TT (260W) series LD drivers:

3.  Diode laser drive power STYA-06V50A-2T-Q-WZ

STYA-06V50A-2T-Q-WZ diode laser driver power supply (hereinafter referred to as the "Power supply") is designed for LD pumped solid state laser driver, to provide the solid state laser pump source and Q switch required RF signal. At the same time, the power supply also provides TEC temperature control circuit for LD and octave crystal. The TTL pulse generation circuit with adjustable pulse width and frequency and TTL pulse control circuit are designed inside the power supply. The power supply has the conversion function of Q-drive internal control and external control. In Q-drive internal control, TTL pulse and its control are provided by the power supply. In Q-drive external control, TTL pulses and their control are provided by external devices. The power supply also has the function of current internal control and external control conversion, in the current internal control, the power supply current setting and start and stop are operated by the front panel touch screen and other corresponding keys; In current external control, the value of the power supply current is set by the analog signal of the external device, and the start and stop of the current are controlled by the TTL signal of the external device. The power supply has the remote control function, through the RS232 interface and the remote computer communication, can set the current size of the power supply, current start and stop operations, at any time to query the power of various state parameters, accept all kinds of information uploaded by the power supply. The power supply is designed with five common output modes and storage functions. Users can set and store parameters such as current size, pulse width and pulse frequency in common modes in advance, which is convenient for users to operate quickly. The power supply has automatic storage function, the current parameters of the power supply can be stored at any time, and the power will automatically enter the mode of last use when the power is turned on next time. The power supply will also automatically store the user's usage information, so as to query at any time. The design of each link of the power supply has fully considered the requirements of the laser equipment related safety standards, in line with the safety indicators. The main features are as follows:

• Full digital design, compact structure, excellent performance

• Built-in one LD drive, two TEC temperature control

• Built-in TTL pulse generator circuit

• Built-in Q driver and its power supply

• 65K true color LCD display, touch screen control

• Local control and computer remote control optional

• With external control interface, support external device control

• High efficiency, high precision and high reliability

• Ultra-low current ripple, ultra-low temperature drift

• Current start zero overshoot, current close zero recoil

• Complete over current, over voltage, over temperature and anti-static protection

Main technical specifications:

4. Temperature controller STYA-15V15A-WK

STYA-15V15A-WK temperature controller (hereinafter referred to as: temperature control power supply) is a high precision temperature control power supply with fast response, which is designed based on PWM modulation theory, including complete PID algorithm. The actuator of the temperature control power supply is a semiconductor refrigerator (TEC), and the temperature detection device is a thermistor NTC10K.The temperature control power supply supports two-way cooling and heating control. Temperature control power can be controlled through the front panel of the man-machine interface (local), easy to operate. On the front panel, you can set the temperature parameters of the controlled object, display the real-time temperature detection, start and stop the temperature control power, and display the status information of the temperature control power. And temperature control power can also be remotely controlled by computer through RS232 interface. In remote control mode, you can set temperature parameters of the temperature control power supply, query real-time temperature and various status information at any time, start and standby operations of the temperature control power supply, and receive fault information uploaded by the temperature control power supply. The temperature control power supply has the automatic memory function, which will automatically store the related setting parameters. Temperature control power adopts low noise, portable structure design, touch screen and physical keys shared operation scheme. The main features are as follows:

• Digital design, excellent performance

• Local control and computer remote control optional

• 64K true color LCD display, touch screen control

• Complete PID feedback algorithm, PWM modulation mode

• Two-way temperature control, support heating and cooling

• Supports NTC10K temperature sensor

• High efficiency, high precision and high reliability

• Automatic memory function, store various state parameters at any time

• Real-time temperature display and alarm prompt function

• Simple and quick man-machine interface

• Low noise structure design

STJ Series Laser Diode Drivers

1. CW Laser Diode Drivers (Intelligent Module)

The CW Laser diode driver is specially designed for various CW laser diodes at the compact size and modularization. It adopts the latest modern power electronic devices, high-speed microprocessor (MPU) program control technology, and low-power linear modulation technology (with extremely low ripple). It has excellent voltage and current output characteristics. No overshoot, no kickback, no surge and low noise in operation. It has perfect multiple protection functions, and has reliable protection for laser diode. The adjustment and control of current parameters can be selected by local and computer (set by software). In addition, the driver also has alarm signal settings. (eg. water pressure alarm, for shutdown protection). The driver adopts 16 bit "8" LED, simple menu mode display, membrane button, and has friendly user interface and fault diagnosis function. And TEC for precision maintaining the temperature on Peiltier element (TEM) is also an optional.

The CW laser diode driver is an excellent choice for laser equipment manufactures and research institute.

Features:

• Adaptive load, real-time display of actual voltage;

• 0-300A (The output current is continuously adjustable), real time display of the current & electric power;

• Pulse function available (≤10Hz, need to be customized for this function);

• Rise time ≥200ms, fall time≥200ms;

• Local & remote computer control;

• Local and remote computer control for power on / off;

• With input alarm signal (eg. water pressure alarm for shutdown protection);

• Over heat, over current protections;

• High stability, high anti-interference and low noise;

• 16 bit "8" digital tube display to show setting current, actual voltage and output power, simple menu / mode display, membrane button;

• RS232 and communication protocol controls (optional);

• User friendly interface, fault diagnosis function;

• Optional: TEC controller (output max. 200W and<48VDC);

• We can customize the driver according to customer’s requirements.

Remarks:

• If you want 110VAC input power supply, please inform us when ordering

• We have two sizes of the drivers: W×L×H＝170×320×75mm (M1;W×L×H＝220×320×75mm (M2)

• Above drivers are our standard models. We can also customize according to customer’s parameters.

2. CW Laser Diode Drivers (High Power)

The CW laser diode driver is specially design for HP (300-3000W) laser diodes at standard 2U & 3U sizes. It adopts the latest modern power electronic devices, high-speed microprocessor (MPU) program control technology, and low-power linear modulation technology (with extremely low ripple). It has excellent voltage and current output characteristics. No overshoot, no kickback, no surge and low noise when operation. It has perfect multiple protection functions, and has reliable protection for laser diode. The adjustment and control of current parameters can be selected by local and computer (set by software). In addition, the driver also has alarm signal settings. (eg. water pressure alarm for shutdown protection). The driver adopts 16 bit "8" digital tube display, simple menu mode display, membrane button, and has friendly user interface and fault diagnosis function. And TEC for precision maintaining the temperature on peiltier element (TEM) is also an optional.

The CW laser diode driver is an excellent choice for laser equipment manufactures and research institute.

Features:

• Adaptive load, real-time display of actual voltage;

• 0-300A (The output current is continuously adjustable), real time display of the current & electric power;

• Pulse function available (≤10Hz, need to be customized for this function);

• Rise time≥200ms, Fall time≥200ms;

• Local & computer control;

• Local and computer control for power on / off;

• With input alarm signal (eg. water pressure alarm for shutdown protection);

• Over heat, over current protections;

• High stability, high anti-interference and low noise

• 16 bit "8" digital tube display, to show setting current, actual current, voltage and power, simple menu / mode display, membrane button;

• RS232 and communication protocol controls (optional);

• User friendly interface, fault diagnosis function;

• TEC (optional)

• We can customize the driver according to customer’s requirements.

Remarks:

• If you need 110VAC input power supply, please inform us when ordering

• We have two sizes of the drivers: W×L×H＝425×310×88mm (2U);W×L×H＝425×380×132mm (3U)

• Above drivers are our standard models. We can also customized according to customer’s parameters.

3. CW Laser Diode Drivers with 2 Channels TECs

The CW laser diode driver (with 2 channels TECs) is specially design for various CW laser diode at the compact size and modularization. It adopts the latest modern power electronic devices, high-speed microprocessor (MPU) program control technology, and low-power linear modulation technology (with extremely low ripple). It has excellent voltage and current output characteristics. No overshoot, no kickback, no surge and low noise when operation. It has perfect multiple protection functions, and has reliable protection for laser diode. The adjustment and control of current parameters can be selected by local and computer (set by software). In addition, the driver also has alarm signal settings. (eg. water pressure alarm, for shutdown protection). The driver adopts 16 bit "8" digital tube display, simple menu mode display, membrane button, and has friendly user interface and fault diagnosis function. And TEC for precision maintaining the temperature on peiltier element (TEM) is also an optional.

The CW laser diode driver is an excellent choice for laser equipment manufactures and research institute.

Features:

• Adaptive load, real-time display of actual voltage;

• 0-100A (The output current is continuously adjustable), real time display of the current & electric power;

• Pulse function available (≤ 10Hz, need to be customized for this function);

• Rise time ≥200ms, fall time ≥200ms;

• Local & computer control;

• Local and computer control for power on / off;

• With input alarm signal (eg water pressure alarm for shutdown protection);

• Over heat, over current protections;

• High stability, high anti-interference and low noise;

• 16 bit "8" digital tube display, to show setting current, actual current, voltage and power, simple menu / mode display, membrane button;

• RS232 and communication protocol controls (optional);

• User friendly interface, fault diagnosis function;

• We can customize the driver according to customer’s requirements.

Remarks:

• If you need 110VAC input power supply, please inform us when ordering

• The driver size is W×L×H＝425×380×132mm (3U)

• Above drivers are our standard models. We can also customize according to customer’s parameters.

STM Series Diode Drivers

1. Benchtop Laser Diode/TEC Controller STMBL1500A

STMBL1500A controller series have special design for supply laser diode in butterfly package in both Type 1 and Type 2 14-pin laser diodes. Controller include high stability current source (0.01mА) for laser diode, TEC for precision maintaining the temperature on peiltier element (TEM) (0.01 °C) and Mount with Azimuth ZIF socket for butterfly LD. These controllers are an excellent choice for laboratory test set-ups and has all the necessary protections for safe operation with laser diodes. These devices are an excellent choice for laser diode from II-VI Laser Enterprise, Eblana Photonics, 3SP Technologies, Furukawa, Lumentum inc and etc.

Features:

• All-in-one current source, temperature controller and mount with Azimuth ZIF socket for butterfly LD

• Compatible with Type 1 and Type 2 butterfly 14-pin laser diode

• Controlled locally with touch screen or buttons

• Controlled remote over USB (software and communication protocol included)

• Integrated PID controller, doesn't require setup

• Soft-start current ramp, current protection, temperature protection for laser diode

• Option to save 9 presetting

• Current stability  < 0.1%

• Ability to set limits

• Free software

CURRENT, VOLTAGE & TEC CONTROLLER

• Output current LD (I): 1500 mA

• Output voltage LD (V): 0.5-3 V

• Setpoint Resolution: 0,1mA

• Rise Time:<4000 μs

• Fall Time:<8000 μs

• Current stability: 0.1 %

• Current set accuracy:  < +/- 1 %

• Output current noise: 10-15 µA

• ТЕС output power: ±4А

• TEC output voltage: ±4V

• TEC output current ripple: 2 ~ 4mА

• TEC Feedback Sensor: 10 kOhm NTC

• Temperature Control Range: +15 to +40 °C

• Air Cooling

Laser Diode Protection

• Soft-Start Current Ramp

• Current Protection

• Temperature Protection

• Reverse current protection

• ESD and transient protection

PINOUT

• STSF8XXX support laser diode Type 1: pump laser diode

• STSF8XXXT support laser diode Type 2: telecom laser diode

DIMENSIONS AND WEIGHT

• Dimensions: 257 x 271 x 116 mm

• Weight: 3.4 kg

USER INTERFACE

• Front panel (touch screen or buttons)

• USB

INPUT

• Single phase 220 VAC, 50Hz

2. Benchtop Laser Diode/TEC Controller STMBL1500B

STMBL1500B controller series have special design for supply laser diode. Controller include high stability current source (0,01mА) for laser diode, TEC for precision maintaining the temperature on peiltier element (TEM) (0,01 °C). These controllers are an excellent choice for laboratory test set-ups and has all the necessary protections for safe operation with laser diodes. These devices are an excellent choice for laser diode from II-VI Laser Enterprise, Eblana Photonics, 3SP Technologies, Furukawa, Lumentum inc and etc.

Features

• All-in-One Current Source, Temperature Controller

• Controlled locally with Touch Screen or Buttons

• Controlled remote over USB (Software and Communication Protocol included)

• Integrated PID controller, doesn't require setup

• Soft-Start Current Ramp, Current Protection, Temperature Protection for Laser Diode

• Option to save 9 presetting

• Current stability  < 0.1%

• Ability to set Limits

• Free software

CURRENT, VOLTAGE & TEC CONTROLLER

• Output current LD (I): 1500 mA

• Output voltage LD (V): 0.5-3 V

• Setpoint Resolution: 0,1mA

• Rise Time:<4000 μs

• Fall Time:<8000 μs

• Current stability: 0.1 %

• Current set accuracy:  < +/- 1 %

• Output current noise: 10-15 µA

• ТЕС output current: ±4А

• TEC output voltage: ±4V

• TEC output current ripple: 2 ~ 4mА

• TEC Feedback Sensor: 10 kOhm NTC

• Temperature Control Range: +15 to +40 °C

• Air Cooling

Laser Diode Protection

• Soft-Start Current Ramp

• Current Protection

• Temperature Protection

• Reverse current protection

• ESD and transient protection

DIMENSIONS AND WEIGHT

• Dimensions: 257 x 271 x 116 mm

• Weight: 3.3 kg

USER INTERFACE

• Front Panel (Touch Screen or Buttons)

• USB

INPUT

• Single Phase 220 VAC, 50Hz

PACKAGE SET

• Laser diode power supply – 1 pcs

• Power cord – 1 pcs

• USB cable – 1 pcs

• Interlock connector – 1 pcs

• Datasheet & User Manual – 1 pcs

WARRANTY PERIOD

• one year manufacturer's warranty

For more information on the driver STMBL1500B, please  here.

3. Benchtop Laser Controller STG-EM595

The STG-EM595 combines a laser driver and TEC controller into a compact, benchtop device with straightforward user interface. With 1.5A of drive current available, the controller can operate any  STG series 14-pin DFB lasers or single mode lasers.  The 3.0A of current available for the thermo-electric cooler provides ample control for typical room temperature environments. Precise temperature control results in accurate frequency control.  The STEM595 establishes a new level of low noise and linewidth performance in a benchtop device.

Features:

• Easy-to-use control of 14-pin butterfly lasers

• Touch panel interface

• USB interface

• 0.01°C temperature precision

• 1.5A of drive current, 3.0A of TEC current available

• Compact size

• Constant current operation

• Constant power operation

General Specifications:

Laser Diode Control Specifications

Temperature Control Specifications

TEC Current Output

• Control Range: -3.0 to +3.0 A

• Compliance Voltage: >4.7 V

• Max Output Power: >14.1 W

• Resolution: 1mA (Front Panel); 100m (Remote Control)

• Accuracy: ±(0.2% + 20 mA)

TEC Current Limit

• Setting Range: 5 mA to 3.0 A

• Resolution: 1mA (Front Panel); 100m (Remote Control)

• Accuracy: ±(0.2% + 20 mA)

NTC Thermistor Sensors

• Resistance Measurement Range: 300 Ω to 150 kΩ

• Control Range: -55 °C to +150 °C (Max)

• Temperature Resolution: 0.01 °C

• Resistance Resolution: 1 Ω

• Accuracy: ±(0.1% + 1 Ω)

• Temp Stability (24 hours):<0.005 °C (Typ.)

• Temperature Coefficient:<5 mK/°C

Temperature Window Protection

• Setting Range: 0.01 °C to 100.0 °C

• Protection Reset Delay: 0 to 600 s

4. Laser diode power supply STM-MBH1510, STM-MBH3010, STM-MBH1240

The STM-MBHXXXX is series of precision high power laser diode controllers. It is optimized for driving laser diodes or high power LED arrays with an output current range up to 250A, output voltage range up to 40V. Multiple built-in protection features ensures safety work. Digital control is provided via an USB 2.0 interface. Free software is included in the delivery set.

STM-MBH1510

STM-MBH3010

STM-MBH1240

The power supply includes various protections that prevent damage to the LD.

External interlock:

• External interlock function provides multiply protections at the same time:

• Prevents inadvertent use;

• Allows to connect an external emergency switch;

• Allows to connect an external auto protect device (e.g. over-temperature switches).

• The laser can only be turned on with shorted Interlock.

Other protections:

• Soft-start: The soft-start function protects against unwanted overshoot of the LD in the power up process.

• LD max current limiting: You cannot set the operating current above LD max current.

• Over-temperature protection: The STM-MBHxxxx has automatic overheating protection. If the set external NTC max temperature is exceeded, the LD power supply will be automatically turned off. After the temperature returns to normal, the LD power supply can be switched on again.

• State after switching on: After turning on the STM-MBHxxxx with the Standby button the LD power supply and TEC will always be turned off.

• Memorization of parameters: In case of an interruption/unplanned shutdown, the STM-MBHxxxx remembers the settings that were set at the time of the last On/Off Laser command.

• Dimensions: 257 x 271 x 117 mm

• Weight: 3.6 kg

• User interface: Front Panel (Touch Screen or Buttons) and USB

• Input:  Single Phase 100-240 VAC, 50Hz

STO-LDD Series OEM Laser Diode Drivers

STO-LDD is a series of laser diode drivers intended for single laser diode driving as well as for laser diode arrays driving. Maximal output power ranges from 50W to 1500W, and maximal output current ranges from 5A to100A. These drivers may be used for industrial and medical applications.

Part number:     STO-LDD-xx-AA

• STO-LDD: STO-LDD series OEM diode drivers

• xx :      Maximum output power

• AA:      maximum output current

The maximum output voltage is maximum output power divided by output current. Current is adjustable in range 10-100% of Imax. Imax is selected by customer. Vmax is calculated as Vmax = Power / Imax. Voltage is adjusted automatically in dependence on load, but voltage cannot exceed Vmax.

Specifications:

Interface

Custom-design and making available upon request.