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.
/ Key Product Advantages
Broad wavelength tuning
Smoothly adjustable bandwidth (FWHM 3 – 15 nm, nominal)
Circular uniform aperture (5 mm)
Compact rugged optomechanical package
High (106) out of band extinction
/ Optical Specification
Transmission: > 75% (in proportion to an input light power / FWHM > 10 nm)
Spectral Range : 255 ~ 1650 nm
IR blocking range : OD 6
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 Extinction
High (106) out-of-band extinction avoids unwanted spectral leakage and
associated background noise typical of liquid crystal-based filtering systems.