This is a wavelength selector that can control the center wavelength and bandwidth using our proprietary technology, TwinFilm. It is an electrically operated model that can be easily controlled via software.
The FWS-Poly-RED series is an electrically variable filter that utilizes the proprietary TwinFilm technology and can be controlled via software. The central wavelength and bandwidth can be easily controlled through USB, and scanning is also possible. It features a wide operating wavelength range, with adjustable bandwidths from 3 to 15 nm. It is compatible with various broadband light sources and supercontinuum light sources, making it usable as a wavelength-variable light source. 【Features】 - Electric model - Wide operating wavelength range - Quick wavelength tuning - Wavelength scanning capability - Excellent transmittance > 75% - High out-of-band extinction ratio (10^6) - Adjustable bandwidth from 3 to 15 nm - Uniformity across 95% of a large aperture (up to Φ10 mm) - Walk-off-free operation due to offset-correcting optics, even with wavelength changes - Easy installation
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basic information
【Main Specifications】 - Central Wavelength Accuracy: ±0.5 nm - Blocking: OD 6 - Wavelength Resolution (FWHM): 1 nm - Transmittance: 75% (proportional to input light amount, FWHM > 10 nm) - Adjustable Wavelength Range: 255-1650 nm - Interface: USB
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Applications/Examples of results
- Wavelength-tunable light source for broadband light sources - Fluorescence imaging - Hyperspectral imaging
Detailed information
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Adjustment and switching of wavelength range
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Bandwidth adjustment and switching
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A high blocking rate (OD 6) allows for the avoidance of unwanted spectral leakage specific to AOTF and the associated background noise.
Line up（6）
| Model number | overview |
|---|---|
| FWS-Poly-RED-UV | Wavelength range 280 – 390 nm, FWHM 3 – 15 nm, aperture Φ 5 mm |
| FWS-Poly-RED-VIS | Wavelength range 430 - 790 nm, FWHM 3 – 15 nm, aperture Φ 5 mm |
| FWS-Poly-RED-NIR | Wavelength range 615 - 1015 nm, FWHM 5 – 15 nm, aperture Φ 5 mm |
| FWS-Poly-RED-IR | Wavelength range 775 - 1150 nm, FWHM 5 – 15 nm, aperture Φ 5 mm |
| FWS-Poly-RED-SWIR | Wavelength range 1140 - 1650 nm, FWHM 5 – 15 nm, aperture Φ 5 mm |
| FWS-Poly-RED-Custom | Wavelength range User specified, FWHM 3 – 15 nm, aperture Φ 5/Φ 10 mm |
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Company information
MSH Systems Co., Ltd. introduces and provides cutting-edge scientific technologies and their products from both domestic and international sources to universities, research institutions, and corporate clients in Japan as quickly as possible, contributing to the realization of a richer future society. With 30 years of sales and service experience in the science and technology fields, along with strong trust relationships and responsible execution with our clients, we will act with all our efforts to become a good partner for everyone. Our ultimate goal is to ensure the satisfaction of not only our customers and manufacturers but also everyone involved with us.