Diode Chip/Bar/Stack

Laser diode chips, bars & stacks are the key components in laser pumping, industrial laser processing and advanced machining. We can provide various chips, bars and stacks in the wavelengths 0.75-1.06um, single emitters and chips at single mode and multi-mode, a few hundred watts, COS/COC/MCC packages. Customized products are available upon request. These products are widely used in laser industrial material processing, medical application, communications, safety protection, intelligent sensing, and scientific research.

STCX Series High-power Diode Laser Chips/Bars/Arrays/Stacks

(1)   High-power Single Emitter Laser Chips – BC Series

(2)   High-power Diode Bar – BB Series

(3)   High-power Diode VCSEL Chips – TOF series

(4)   High-power Diode VCSEL Chips – SL Series

(5)   High-power Diode VCSEL Chips – LI Series

(6)   High-power Diode Laser Device – COS Series

(7)   High-power Diode Laser Devices – MCC Series

(8)   High-power Diode Laser Stacks – MCP Series

(9)   High-power Diode Laser Stacks – QCP Series

(10)  High-power Diode Laser Devices – TO Series

SBN Series Diode Laser Chips/Bars/Stacks

We, a diode laser company, manufacture high-power diode lasers and systems in a wide range of output powers and wavelengths Including wafer growth and slicing, fiber coupling and bar stacking laser. More than 1000 models are for your choice. Established in 2011,  over 60 technicians and 2 scientists, 20 of them are PHD degree. Production site is 1000Class Lab Clean Room with 5000sqm. Our current turnover per year is about 20million US Dollars with 30% growth year on year. Our strengths are in talent employees, quality engineering, process control, product development and volume manufacturing.

1.  Bare Laser Chip/Bar

Optical

Electrical

Thermal

2.  Stack Array Laser Diodes

Optical

Electrical

Optional functions: FAC lens, SAC lens.

Thermal

STHT Series Diode Chips/Emitters/Bars/Arrays

1. Unmounted Single Diode Emitters and Bars

Semiconductor lasers are one of most of today’s industrial lasers. Whether direct material processing or optical pumping of solid-state lasers, fiber lasers or disc lasers, the unmounted single emitters and bars are the key component for the initial conversion of electrical energy into light.

We have been focusing on the semiconductor wafer technology from 1998, delivers the multimode high power at wavelengths between 808 and 1064nm.

• High Power multimode unmounted bars up to 40W CW and 200W QCW output

• Unmounted single emitters up to 2W CW Power

• Available wavelengths include 635nm,650nm, 808nm, 980nm and 1064nm 

2. Packaged Diode Single Emitters

LDM series packaged single emitters are Fabry-Perot cavity semiconductor lasers based on Quantum-well epitaxy and ridge waveguide structure design. Sintec packaged single emitters provide excellent reliability and performance.

• Center wavelength includes 635nm, 650nm, 670nm, 785nm, 808nm, 830nm, 9xxnm and 1064 nm

• Package designs include TO mounts, COS mounts, C-mounts and F-mounts

• Provide beam shaping services like fast-axis compression according to customer demands

3. Diode Laser Arrays for Hair Removal

The vertical arrays specially designed for hair removal application, can stack up to 10 packaged laser bars to form a high power diode laser assembly. Each of these laser bars individually provides up to 100watts in CW mode. The small gaps between the laser bars make the module obtain maximum brilliance from the arrays, enabling the module to work with high efficiency

• Power up to 1000W

• Compact designs

• Reliable package with hard solder

STR Series Diode Chips/bars

1. Single Emitter

Single-emitter laser diode (SE) chips are the basic built block for high-power and high-brightness semiconductor laser modules. We manufacture single chips with a variety of output powers and wavelengths.

2. Bare Bars

Bare bar is an array of individual semiconductor laser chips, with combined output power from dozens of Watts to a few hundred Watts. Our proprietary facet passivation process ensures the reliability required by the most stringent applications.

In the following table, WL means wavelength, I/V means operation current/voltage, N means the numbers of emitters, P/width means period (um)/emitter width (um), L/W/T means length/width/thickness of the bar.

STL Series Diode Laser Chips & Bars

• High electrical-optical conversion efficiency

• >20000 hours lifetime

• Customized products available

• Short lead time

• Quick response

STD Series Laser Chips, Bars & Stacks

1. STD Series Diode Laser Chips & Bars

Features:

• High output power

• High electrical-optical conversion efficiency

• High brightness

• High reliability

Technical Advantages:

• High efficient epitaxial structure design

• High-quality epitaxial material growth

• Special passivation method for cavity surface

2. Pump Modules & Stacks

• AuSn hard solder packaging construction

• High duty cycle, high energy density

• Filtered water, alternative cooling fluids

• Small pitch, compact size

• Optional seal band optical waveguide assemble

• Optional fast collimation

• Used for laser pumping, hair removal etc.

2.1 Pump Modules

(1) Macro channel stack STD-HS12

• AuSn hard solder packaging construction

• High duty cycle, high energy density

• Filtered water, alternative cooling fluids

• Small pitch, compact size

• Optional seal band optical waveguide assemble

• Optional fast collimation

• Used for laser pumping, hair removal etc.

Typical pulse energy:

Remark: cooling water: T 25deg, flow rate 4.5-5.0L/min

(2) Conduction cooling stack STD-GS20

• AuSn hard solder packaging construction

• High power density

• Optional fast-axis collimation

• Small pitch, compact size

• Optional seal protection

• Multi-wavelength in a single array

• Used for laser pumping, hair removal etc.

(3) Macro channel horizontal stack STD-L5

• AuSn hard solder packaging construction

• High power density

• Contact size

• Used for pumping

(4) Macro channel stack STD-E27

• AuSn hard solder packaging construction

• High power density

• Optional fast axis collimation

• Small pitch, compact size

• Optional seal protection

• Multi-wavelength in a single array

• Used for laser pumping

(5) Whole micro channel stack STD-HM7

• AuSn hard solder packaging construction

• High power density

• Narrow spectrum

• Filtered water, alternative cooling fluids

• Used for laser pumping & hair removal

2.2 Stacks for Hair Removal

(1) Macro channel stack STD-HH05

• AuSn hard solder packaging construction

• Suitable for long pulse width operation

• Filtered water, alternative cooling fluids

• Seal protection

• High duty cycle

• Used for hair removal & laser pumping

Typical Specifications

Operation Conditions

(2) Macro channel stack STD-HL07

• AuSn hard solder packaging construction

• Suitable for long pulse width operation

• Filtered water, alternative cooling fluids

• Seal protection

• High duty cycle

• Used for hair removal & laser pumping

Typical Specifications

Operation Conditions

(3) Macro channel stack STD-HS12

• AuSn hard solder packaging construction

• High duty cycle, high energy density

• Filtered water, alternative cooling fluids

• Small pitch, compact size

• Optional seal band optical waveguide assembly

• Optional fast-axis collimation

• Used for hair removal & laser pumping

STD-HS12-1200-808 typical pulse energy (J/cm2):

Remark: cooling water: T 25deg, flow rate 4.5-5.0L/min

STO Series High Power Laser Diode Bars/Stacks

1. Laser Diode Bars

2. Laser Diode Horizontal Stacks

STO-HSCW Series, CW Laser Diode Horizontal Stacks

Note: STO-HSCW-20/40-N can be customized with N≤20. The total output power is 20/40 times N.

STOU-HSQCW Series QCW Laser Diode Horizontal Stacks

Note: STO-HSQCW-100～300-N can be customized. Single unit can be mounted with 1, 2 or 3 pcs of laser diode bar. Typical wavelength of the diode bar is 805+/-3nm. However, the wavelength must be specified according to the special pulse width, repetition rate and heat sink designs.

Specifications of Diode Bar STO-HSCW-40-4

• Output power (W): 80W

• Center Wavelength at 25 °C (nm): 808±3

• Power per bar (W): 40

• Number of bars in one stack(N): 4

• Working mode: CW

• Operation Current (A): ≤22

• Operating Voltage (V): ≤8

• Cooling: water

• Bar arrangement: linear 4bars

• Operation Temperature(°C): 25±1

• Applications: to be used in the diode pump laser module CEO-75E
  

Specifications of Diode Bar STO-HSCW-20-4:

• Output power (W): 80W

• Center Wavelength at 25 °C (nm): 808±3

• Power per bar (W): 20

• Number of bars in one stack(N): 4

• Working mode: CW

• Operation Current (A): £18

• Operating Voltage (V): £8

• Cooling: water

• Bar arrangement: linear 4bars

• Operation Temperature(°C): 25±1

• Applications: to be used in the diode pump laser module CEO-75H
  

3. STO-VS Series CW/QCW Laser Diode Vertical Stacks

Note: STO-VSQCW/CW-MI/MA-100～300-N can be customized. We provide micro channel water cooling technology and high reliability macro channel water cooling technology. Typical wavelength of the diode bar is 808+/-3nm. However, the wavelength must be specified according to the special pulse width, repetition rate and heat sink designs.

4. Reliable QCW Diode Laser Stacks in Arc Heatsink

We make the QCW laser into an arc, which is beneficial to the lightweight design of the pump structure. Au-Sn packaging technology makes the laser have high reliability even in harsh working environment.

Feature

• Wavelength: 808nm or up on requirement

• Output power: 500 - 4800W

• Operation mode: QCW

• Cooling: actively cooled / passively cooled

Benefits

• Efficient:High output power up into the 4800W.

• Compact:Arc and lightweight design are easily integrated into pump module.

• Robust:Shock and vibration resistant.

• Reliable and high-quality: Gold and Tin (hard solder) mounting. Works even under the most demanding climatic conditions.

• Wavelength combination: beneficial for full temperature pumping design.

Application

• High energy research: QCW pumping sources for solid-state lasers.

• Medical technology: Long-pulse operation, use in esthetics (epilation) and dermatology.

• Excitation light source for solid-state lasers in the 1320 nm range for parenchyma surgery.

• Defense: Short-pulse operation, use as a pumping source, for lighting or in LIDAR systems.

• Industry: pump source for solid-state and fiber lasers.

Note：

• STO-ARCQCW-MA-100~500-N represent N*100-500W laser stack which is mounted on an arc heatsink. The laser power of single bar is 100W, 200W, 300W or 500W.

• The wavelengths of each bar in a single device can be arranged and combined according to the heat dissipation conditions.

• The above parameters are measured at the heat sink temperature of 25oC.

• Heat sink structure can be customized according to customer's special requirements

5. Reliable QCW Diode Laser Stacks in Annular Heatsink

The QCW laser is made into a ring, which improves the uniformity of the pump while making use of the lightweight design of the pump structure. Au-Sn packaging technology makes the laser have high reliability even in harsh working environment.

Feature

• Wavelength: 808nm or up on request

• Output power: 500W up to 10kW

• Operation mode: QCW

• Cooling: actively cooled / passively cooled

Benefits

• Efficient: High output power up to 4800W.

• Compact: Arc and lightweight design is easily integrated into pump module.

• Robust: Shock and vibration resistant.

• Reliable and high-quality: Gold and Tin (hard solder) mounting. Works even under the most demanding climatic conditions.

• Wavelength combination: beneficial for full temperature pumping design.

Application

• High energy research: QCW pumping sources for solid-state lasers.

• Medical technology: Long-pulse operation, use in esthetics (epilation) and dermatology.

• Pump source for solid-state lasers in the 1320nm range for parenchyma surgery.

• Defense: Short-pulse operation, use as a pumping source, for lighting or in LIDAR systems.

• Industry: Pump source for solid-state and fiber lasers.

Note：

• STO-ARCQCW-MA-100~500-N represents N*100-500W laser stack which is mounted on an annular heatsink. The laser power of single bar is 100W, 200W, 300W or 500W.

• The wavelengths of each bar in a single device can be arranged and combined according to the heat dissipation conditions.

• The above parameters are measured at the heat sink temperature of 25oC.

• Heat sink structure can be customized according to customer's special requirements

• The duty cycle is usually less than 2%. In case of special high duty cycle requirements, the laser structure can be customized. Then duty circle up to 20%.

6. Vertical QCW Diode Laser Stacks

We use Gold and Tin to assemble our vertical QCW stacks. This technology makes the laser have high reliability even in harsh working environment.

Feature

• Wavelength: 808nm or up on request

• Output power: 500W up to 10kW

• Operation mode: QCW

• Cooling: actively cooled / passively cooled

• FAC available

Benefits

• Customized upon request to adjust pumping structure.

• Robust: Shock and vibration resistant.

• Reliable and high-quality: Gold and Tin (hard solder) mounting. Works even under the most demanding climatic conditions.

• Wavelength combination: beneficial for full temperature pumping design.

• Duty circle up to 20%.

Application

• High energy research: QCW pumping sources for solid-state lasers.

• Medical technology: Long-pulse operation, use in esthetics (epilation) and dermatology.

• Pump source for solid-state lasers in the 1320 nm range for parenchyma surgery.

• Defense: Short-pulse operation, used as a pumping source, for lighting or in LIDAR systems.

• Industry: Pump source for solid-state and fiber lasers.

Note：

• STO-VSQCW-MI/MA-100~500-N. MI means micro channel cooler as a heatsink which needs deionized water. MA means passively cooled or pure water cooled heatsink.

• STO-VSQCW-MI/MA-100~500-N. 100~500 represents that the laser power per bar can be 100W, 200W, 300W or 500W.

• The above parameters are measured at the heat sink temperature of 25oC.

• The wavelengths of each bar in a single device can be arranged and combined according to the heat dissipation conditions.

• Heat sink structure can be customized according to customer's special requirements

7. Vertical CW Diode Laser Stacks

Our vertical stacks can be used to increase the optical output power of your diode lasers To do so, we stack up to 12 mounted laser bars to form a diode laser stack or an assembly. Each of these laser bars individually supplies up to 100W in CW mode. Because of the small gaps between the laser bars, you obtain maximum brightness from the stacks, enabling you to work highly effectively. You can choose between laser diode stacks with a fast-axis (FA) or without collimation.

Feature

• High optical output power of 100W CW per bar

• Wavelength: 808 nm ±3nm

• High efficiency, low divergence

• Lifetime >10,000 hours, high reliability

• Collimation: fast axis / without

Application

• Material processing

• Medical technology

• Pumping source for fiber lasers and solid-state lasers.

Note：

• STO-VSCW-MI-40~100-N. MI represents we use micro channel cooler as a heatsink which needs deionized water.

• STO-VSCW-MI-40~100-N. 40~100 represents the laser power per bar can be 40W, 60W or 100W. 100W bar only can be used in cosmetic applications.

8. Laser Diode Stacks for Hair Removal

We supply various diode stacks for laser hair removal. These stacks can custom-designed and –made according to your specific requirements.

STJ Series Laser Emitters, Bars & Stacks

1. Unmounted Laser Emitters & Bars

Thanks to precise controls, our laser bars, semi-bars and single emitters meet the highest quality standards of our customers. We produce our semiconductor materials under the strictest quality controls. We work only with state-of-the-art epitaxy, processing and facet coating technology. Our bars, semi-bars and single emitters for high-power diode lasers therefore meet the most exacting demands: They are extremely reliable, efficient and durable.

Our semiconductor products are easily assembled using standard soldering methods. The material supports both soft solder (indium) and hard solder (gold/tin). We deliver our laser bars to you with emitter structures separated on the p-side as standard. On request, we can also produce bars with continuous p-side metalization and adapted facet coatings, using low AR coatings for the assembly of external resonators.

Product feature

• Wavelength: 760 - 1060nm

• Output power: 6 - 500W

• Operation mode: CW / QCW

• Filling factor: - - 75%

• Resonator length: 0.6 - 4.0mm

Benefits

• Highest quality: We strictly monitor the production of our semiconductor products in clearly defined processes.

• Powerful: High, reliable output power and ideal beam characteristics.

• Economical: Our semiconductors are very efficient and are characterized by a long service life.

Fields of Application

• Industry: Semiconductors for high-power diode lasers in direct material processing, for heating or lighting. Semiconductors as pumping sources for fiber and solid-state lasers. Use in printing technology.

• Medicine: Esthetics, dermatology and surgery.

Technical Specifications

• InGaAs-based semiconductors

• Optical output power: 6watts to 200watts cw and 500watts qcw

• Standard wavelengths: 760 to 1060nanometers (others available on request)

• Fill factors: 10%, 20%, 30%, 50%, 75% (others available on request)

• Resonator lengths: 0.6mm, 1.0mm, 1.5mm, 2.0mm, 4.0mm (others available on request)

• Optional: low AR coating (typically < 0.3%)

• Optional: continuous metallization

2. Mounted Diode Bars & Single Emitters

You can choose between CW and QCW operation. We offer standard wavelengths of 808 nm, 940 nm and 980 nm. On request, we can optimize diode lasers for other wavelengths thanks to the flexibility of our own semiconductor production facility. You also receive different emission heights in standardized packages. The collimation is available in Fast-Axis (FA) only or in Fast-Axis (FA/SA).

Our patented CN design means that the bars of our mounted diode lasers are cooled on both sides. This means you can achieve thermal resistances that are very close to those of a microchannel heat sink. Our diode lasers also deliver high output power and a low smile.

Product feature

• Wavelength: 808 - 1470nm

• Output power: 23 - 300W

• Operation mode: CW / QCW

• Cooling: actively cooled / passively cooled

• Collimation: fast axis / fast axis and slow axis / without

• Heatsink: actively cooled / CN / CS

Benefits

• Maximum efficiency: High optical output power of 8 ­­W to 200 W CW and 300 W QCW.

• Reliable: Long lifetime through predominant use of our semiconductor lasers.

• Versatile: Flexible integration into different systems.

• Precise: Low smile.

• Easy integration: Compact and robust designs.

Fields of Application

• Material processing: Plastic welding, soldering, hardening and annealing of metals.

• Medical technology: Hair removal, surgery, dentistry and ophthalmology.

• Illumination: IR monitoring.

• Metrology: Particle counting.

• Printing industry: Computer-to-Plate (CtP).

• Science and research: Excitation light source.

• Industry: Pumping sources for fiber lasers and solid-state lasers.

3. CW Diode Laser Stacks

Up to 12 laser bars to form actively cooled stacks for CW mode.

Our vertical stacks can be used to increase the optical output power of your diode laser. To do so, we stack up to 12 mounted laser bars to form a diode laser stack or an assembly. Each of these laser bars individually supplies up to 120watts in CW mode. Because of the small gaps between the laser bars, you obtain maximum brilliance from the stacks, enabling you to work highly effective. You can choose between laser diode stacks with a Fast-Axis (FA) or combined Fast-Axis/Slow-Axis (SA) collimation.

Product feature

• Wavelength: 808 - 980nm

• Output power: 128 - 1440W

• Operation mode: CW

• Cooling: actively cooled / passively cooled

• Collimation: fast axis / fast axis and slow axis / without

Benefits

• Best price/performance ratio: Because of the small gaps between the laser bars.

• Powerful: Each of the 12 laser bars individually supplies up to 120 watts in CW mode.

• Flexible: CW or QCW mode.

• Easy to integrate: Compact designs.

Fields of Application

• Material processing: Curing of metals, annealing.

• Medical technology: Esthetics, dermatology.

• Industry: Pumping source for fiber lasers and solid-state lasers.

• Science and research: Pumping source for fiber lasers.

4. QCW diode laser stacks

Our passively cooled diode laser stacks and assemblies for QCW operation are highly efficient – even under harsh environmental conditions. We assemble our vertical and horizontal stacks using gold and tin solder (hard solder) as standard. This enables hard-pulse operation under demanding climatic conditions. Because of their lightweight construction, the stacks also easily withstand vibrations and shocks. Thanks to their reliability and efficiency, our diode laser stacks are also used as pumping sources for solid-state lasers, including in the field of high energy research.

As standard, we form passively cooled vertical stacks consisting up to 16 laser elements or arrange up to 4 laser elements in a row. Other configurations are available upon request. You can thus achieve output power up into the kW range.

Product feature

• Wavelength: 808 - 940nm

• Output power: 270 - 2400W

• Operation mode: QCW

• Cooling: actively cooled / passively cooled

• Collimation: fast axis / without

Benefits

• Efficient: High output power up into the kW range.

• Compact: Small and lightweight design is easily integrated.

• Robust: Shock and vibration resistant.

• Reliable: Works even under the most demanding climatic conditions.

• High-quality: We only use hard solder.

• Fields of Application

• High energy research: QCW pumping sources for solid-state lasers.

• Medical technology: Long-pulse operation, use in esthetics (epilation) and dermatology.

• Defense: Short-pulse operation, use as a pumping source, for lighting or in LIDAR systems.

• Industry: Excitation light source for solid-state and fiber lasers.