The Flexible Wavelength Selector utilizes TwinFilm™ technology to deliver the tunable wavelength filtering characteristics of a grating monochromator together with the circular aperture imaging capabilities of a bandpass filter.
The Flexible Wavelength Selector Basic (FWS-Basic) is a manually tunable filter that features three knurled knobs – two for adjusting the center wavelength and the transmission bandwidth and one for compensating the beam direction offset.
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*Note : For the optimal performance of Wavelength Selectors, the incident light should be collimated.
*Note : F00 - F02 models can block up to 600 nm.
/ Key Product Advantages
Broad wavelength tuning
Smoothly adjustable bandwidth (FWHM 3 ~ 15 nm, nominal)
Circular uniform aperture (5 mm)
Compact optomechanical device
High (10-6) out of band rejection
/ Optical Specification
Transmission: > 75% (in proportion to the input light power / FWHM > 10 nm)
Spectral range : 255 ~ 1650 nm
Out-of-band blocking : OD 6 (0.00001 % Transmission)
F00 ~ F02 : Blocks up to 600 nm
F03 ~ F15 : Blocks up to 1700 nm
Stable operation span : 5 years
/ General Specifications
Aperture size: 5 mm
Broadband Wavelength and Adjustable Bandwidth
The broadband range of the wavelength and the transmission bandwidth can be adjustable by a manual control.
Simple Manual Adjustment
Separate knobs enable independent manual settings of both the center wavelength and the transmission bandwidth. (Gear 1:1)
Simple integration into microscopes, telescopes, cameras, light sources and other common photonic instruments.
High Out-of-band Rejection
High (10-6) out-of-band extinction avoids unwanted spectral leakage and
associated background noise typical of liquid crystal-based filtering systems.