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The Thin-film based tuneable filter is an ideal candidate for telecom application, especially for DWDM system, on account of its low insertion loss, flat-top transmission spectrum, and excellent thermal stability. With new masks and the optical monitor system to control the coating uniformity during the whole process, Lightwaves2020 successfully makes high-quality step motor controlled 50GHz Linear Variable Filters (LVF) with high yield.
Excellent thin-film filter quality aside, LVF also has uniform tuning spectrum over the operation wavelength range and small package size. The vibration-free package and electronics control circuit is also provided. The wavelength setting repeatability is <±50pm. Undoubtedly, Lightwaves2020’s thin-film based tuneable filter family is best solution for DWDM system application.
Features
Excellent thin-film filter quality aside, LVF also has uniform tuning spectrum over the operation wavelength range and small package size. The vibration-free package and electronics control circuit is also provided. The wavelength setting repeatability is <±50pm. Undoubtedly, Lightwaves2020’s thin-film based tuneable filter family is best solution for DWDM system application.
Features
- Up to 40nm wavelength tuning range
- Low & uniform insertion loss
- Low PDL
- High adjacent channel rejection
- Tuning with stepper motor
- Optical testing
- Dynamic channel selection in
- DWDM network
- Optical performance monitoring
- Noise suppression
For more information on Linear Variable Filter talk to BBN International Ltd
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