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Long Period Grating
Description
Long period grating couples light from a guided mode into forward propagating cladding modes where it is lost due to absorption and scattering. The coupling from the guided mode to cladding modes is wavelength dependent so we can obtain a spectrally selective loss. It is an optical fiber structure with the properties periodically varying along the fiber, such that the conditions for the interaction of several co-propagating modes are satisfied.
Long Period Grating
Specifications |
|
|---|---|
| Center Wavelength Range: | 1500-1600nm |
| FBG Length: | Not Specified |
| Reflectivity: | >1% |
Features
No reflection type
Low insertion loss
Applications
Notch band filter
GFF for EDFA
Optical fiber sensing
For pricing, technical or any other questions please contact the supplier
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How to order?
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Ships from:
China
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Sold by:
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On FindLight:
since 2015
Frequently Asked Questions
Long Period Grating is an optical fiber structure that couples light from a guided mode into forward propagating cladding modes where it is lost due to absorption and scattering.
Long Period Grating is a no reflection type with low insertion loss.
Long Period Grating is used for notch band filter, GFF for EDFA, and optical fiber sensing.
The wavelength range of Long Period Grating is C+L.
The insertion loss of Long Period Grating is greater than 8.5 dB at the center wavelength of +/-5nm.
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