Acousto-optic Tunable Filters

STY Series AO Tunable Filters

1. STY-AOTF-PRO AO Tunable Filter

STY-AOTF-PRO is the latest plug and play wavelength selection module based on the Acousto-Optic Crystal. It has the two output: broadband supercontinuum output (useful for broadband scattering, reflection and transmission spectroscopy) and single line tunable output (useful for replacing multiple laser lines). Moreover the single line tunable output covers 430-1450nm range in one output beam, offering great flexibility for spectroscopy, microscopy and nanophotonics application.

Features:

• Switchable SC output and tunable output

• 430-1450nm range in one beam

• Linear polarized output

• Up to 8 simultaneous channel

• Easy plug & play

Applications：

• High resolution microscopy

• Fluorescence microscopy & spectroscopy

• Nanophotonics

• Replace of several single wavelength laser

• Material characterization

Specifications:

• Outputs: Output 1: Broadband SC Output; Output 2: Single Line Tunable Output

• Single Line Tunable Range: 430-1450nm

• Filter Bandwidth: 2-10nm

• AOTF Diffraction Efficiency: >90%

• Output Efficiency: >40%

• Polarization: Linear

2. STY-AOTF Acousto-Optic Tunable Filter System

STY-AOTF system is a simply plug and play module with any of our STYS series supercontinuum system. For each integrated AOTF crystal, the system enables up to 8 simultaneous tunable wavelength channels. Combines of three different crystals, the AOTF module covers the entire supercontinuum spectrum from 400nm to 2400nm. The AOTF module can be equipped with either one or two of the AOTF crystal, according to customers’ demand. The AOTF offers a free-space collimated beam as standard optical output. As an alternative, a single-mode fiber delivered output is also available.

Features：

• 400-2400nm filter range

• Simultaneous 8 channels output

• Linear polarized output

• Easy plug & play

• User friendly GUI

Applications:

• High resolution microscopy

• Fluorescence microscopy

• Nanophotonics

• Replace for several single wavelength laser

• Material characterization

3. STY-VLF Variable Linear Filter System

Our VLF wavelength selection system is based on the linear variable filter technology, offering tunable wavelength from 400nm to 840nm. Moreover, the linewidth could be varied from 10-300nm, making it an ideal solution for fluorescence microscopy, nanophotonics and other application areas. The standard output of the VLF is a free-space collimated beam, as an option, the output can also be single mode fiber with FC connector.

Features:

• Wavelength range: 400-840nm

• Linewidth range: 10-300nm

• Optional single mode fiber output

Applications:FLIM

• Nanophotonics

• Photocurrent microscopy

Specifications:

• Central wavelength range: 400nm~840nm

• Channel Spectral Bandwidth: 10nm~>300nm

• Transmission Efficiency: >80%

• Input Plug & Play to our Collimator

• Output: Free-space collimated or fiber delivery

• Fiber Coupling Efficiency: >30%

• Polarization: Random polarized

4. STY-VLF-M Motorized Variable Linear Filter System

Our STY-VLF-M motorized wavelength selection system is based on the linear variable filter technology, offering tunable wavelength from 400nm to 840nm via computer. Moreover, the linewidth could be varied from 10-300nm, making it an ideal solution for fluorescence microscopy, nanophotonics and other application areas. The standard output of the VLF is a free-space collimated beam, as an option, the output can also be single mode fiber with FC connector.

Features:

• Wavelength range: 400-840nm

• Linewidth range: 10-300nm

• Optional single mode fiber output

• Motorized

Applications:

• FLIM

• Nanophotonics

• Photocurrent microscopy

• Flow cytometer

Specifications:

• Part number: STY-VLF-M

• Central wavelength range: 400nm~840nm

• Channel Spectral Bandwidth: 10nm~>300nm

• Transmission Efficiency: >80%

• Input Plug & Play to our Collimator

• Output: Free-space collimated or fiber delivery

• Fiber Coupling Efficiency: >30%

• Polarization: Random polarized

• Control: USB

• Dimension: 18cmx13cmx6cm

The above STY series acousto-optical tunable filters are used with our STYS series supercomtinnum lasers.

STG Series Acousto-optic Tunable Filters

An acousto-optic tunable filter (AOTF) is a solid-state, electronically-addressable random-access optical pass-band filter. It may be used to rapidly and dynamically select a specific wavelength from a broadband or multi-line source. When specific matching conditions between the acoustic and optical beams are met, diffraction will occur. As a result it is possible to electronically control key filter parameters such as wavelength, modulation-depth and even bandwidth, thus providing rapid (typically μs), dynamic, random access optical filtering.

Resolution bandwidths down to <0.1% are available with exceptional performance and with aperture sizes up to 25 mm and beyond. We have developed and patented techniques to allow us to offer options such as large-aperture imaging filtering, sideband suppression, and transmission of multiple discrete wavelengths.

We offer a range of AOTFs to suit a variety of applications. For scanning an entire image in wavelength at speeds sufficient for real-time video rate spectral imaging, high optical throughput is required. For this purpose devices with large aperture and/or field of view are recommended.

Our standard models are below:

Old Models of Tunable Filters

Over a number of years we have maintained an ambitious development program which we believe has enabled us to enhance the general performance and increase the capabilities of AOTF technology. Our product range includes purpose designed solutions for illumination / excitation wavelength selection and multispectral / hyperspectral imaging, for which we also offer the latest DFS driver technology.

Typical applications include; Biomedical (confocal microscopy & hyperspectral imaging), Scientific (spectroscopy) and industrial (process control).

Following is the list of our old models for your reference. Please contact us for updated information.