AOS broadband FBG filter 1550nm

Utilizing "chirped" (linear variation of the period within the FBG structure) fiber Bragg grating technology, we are able to provide FBGs with very wide bandwidth and high rejection. We can offer a wide range of center wavelengths, bandwidths and reflectivities.

Product features：

Application area：WDM 1300/1550nm band-stop filter、 ASE filtering, noise suppression、 Fiber internal reflector

Unit Price

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Part Number

BB-FBG-99-30-FA

Lead Time

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Stock

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General Parameters

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Dimensional Drawing

Parameter

Parameter	Advanced	Standard
Operating wavelength	800 .. 1620nm	1535 ..1565nm
Reflectivity	5 .. 99.9%
FWHM	2 .. 70 nm
Insertion loss	<0.15 dB (*)
Terminal connection method	Bare fiber、FC/PC、FC/APC、ST、SC/PC、SC/APC、DIN、SMA
Packaging	3mm standard tube (different lengths), boxed

On the lower wavelength side of the FBG, the IL can be significantly higher due to radiation pattern issues.

Spectral characteristics (example)

Product Test Report

Parameters	Requirement	Measurement	Unit
Center Wavelength	~1550	1550.42	nm
Bandwidth (FWHM)	>=30	34.3	nm
Reflectivity	>95	99.64	%
side lobe Suppression			dB
Conditions	SMF-28e Fiber,FC/APC Connectors

Fiber Bragg Grating Spectral Response

Test report 2023/09/18

Purpose of the experiment Test 1550nm broadband FBG filter

Experimental instruments 1550nm broadband FBG filter, 1550nm ASE light source, spectrometer, optical circulator.

1、Test light source spectrum

2、Measured spectrum

Transmission spectrum

Reflectance spectrum

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