22 Mar 2016 The Laser Line Tunable Filter (LLTF) is a non-dispersive tunable bandpass filter based on volume holographic gratings. It delivers the highest signal throughput in the industry, and is also unique in that it combines very high optical density (> OD6) and outstanding out-of-band rejection with wide tunability. Photon etc’s LLTF can be coupled with a supercontinuum laser to provide a Tunable Laser Source (TLS); the LLTF is compatible with any VIS-NIR broadband source, but is optimized for Fianium’s and Leukos’ supercontinuum sources.
CHARACTERISTICS
- Wide tuning range : 400 - 1000 nm (VIS option), 1000 - 2300 nm (SWIR option), custom ranges available
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Efficiency up to 60%
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High out-of-band rejection : < -60 dB @ ± 40 nm (VIS) and < -60 dB @ ± 80 nm (SWIR)
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Bandwidth (FWHM): standard (1-5 nm) or high resolution (< 1 nm)
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Free-space or fiber coupled
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User-friendly control software​
- Options and accessories available: enhanced SWIR (up to 2500 nm), harmonic filter, background suppressor, aligment kit.
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