Acousto-optic Tunable Filter

Acousto-optic tunable filter (AOTF) is a kind of solid state, electronically addressed and random access optical passband filter. It can be used to quickly and dynamically select specific wavelengths from wideband or multiline sources. Diffraction occurs when specific matching conditions are met between acoustic beams and laser beams. Thus, it becomes possible to electronically control filter parameters such as wavelength, modulation depth, and even bandwidth to provide fast (typically μs), dynamic, random access optical filtering.

Application:

Quantum electronics, spectroscopy,spectral polarization,fluorescencespectroscopy,HYPERspectralimaging, laser wavelength tuning,wavelength selection, opticalcommunication.

Inquiry

According to the existing material characteristics, ModuOptik designed AOTF products based on TeO2 shear wave acoustic mode. The wavelength range covers 350-2500 nm. Optimum performance is achieved in each wavelength range and meets most applications: resolution as low as 1 nm, FOV Angle up to 20 degrees, and aperture up to 10 mm. In most cases, the filtering output of AOTF is collinear. After the randomly deflected input light passes through AOTF, two horizontally polarized or vertically polarized light with different deflection directions will be obtained, which can be easily used by users and fiber coupling can be carried out according to needs.

Product Code (Download specification)	Working wavelength (nm)	Active Aperture(mm)	Resolution	Diffraction Eficiency	Optical Material
TF1001-TS020-640_1100	640-1100	2	≤10nm	>70%	Tellurium dioxide
TF1002-TS030-650_1000	650-1000	3	≤5nm	>70%	Tellurium dioxide
TF1003-TS030-650_1000	650-1000	3	≤10nm	>70%	Tellurium dioxide
TF2001-TS025-400_1000	400-1000	2.5	≤10nm	>40%	Tellurium dioxide

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We are a technology-based company specializing in the development and manufacture of precision optical instruments and high quality optical modulators. Pulse products are a national high-tech enterprise that combines unique expertise in the fields of precision optics, laser technology, radio frequency and high frequency/high voltage technology.

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E-mail: sales@moduoptik.com
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