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)
Tunable spectral wavelength : 255 - 1650 nm
Out-of-band blocking : OD 6 (0.0001 % 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 Tunable Spectral Wavelength and Adjustable Bandwidth
The broadband range of the wavelength and the transmission bandwidth can be adjusted by 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 rejection avoids unwanted spectral leakage and
associated background noise typical of liquid crystal-based filtering systems.