Long Period Fiber Grating
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Long Period Fiber Grating

Long period fiber bragg grating (LPFG) is formed by the periodic refractive index modulation in the fiber axis, and its period is generally larger than 100µm. Its coupling mechanism is: the fundamental mode of the fiber core transmitted forward is coupled into the cladding mode of the forward transmission of several specific wavelengths, and the cladding mode is quickly lost, so the LPFG basically has no retroreflection, and in its transmission there are several absorption peaks at specific wavelengths in the spectrum.

Features Of long period fiber grating

No Reflection Type

Low Insertion Loss

Application Of long period grating

Notch Band Filter

GFF for EDFA

Optical Fiber Sensing

Specification Of Long grating period

Parameter

Unit

Value

Center Wavelength

nm

C+L

Transmission Loss

%

>90

Bandwidth (FWHM)

nm

1~3

Period

μm

550

LPFG Length

mm

20~30

Tensile Strength

kpsi

>100

Fiber Type

--

Single-Mode

Fiber Coating

--

Acrylate

Pigtail Length

m

Standard 1m both ends, or custom

Optical Connector

--

Bare Fiber, FC/APC, SC/APC, or custom

There are many fiber optic sensing companies, but we are one of the best choices for you.

Ubicación : 5F, Building B, Chiwan Industry Park, Shaodi Road, Shekou, Nanshan, Shenzhen City, 518068 shenzhen,
Persona a contactar : .com AtG, 0755 2667 4283

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Long Period Fiber Grating

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