Shanghai Yucheng Optoelectronics Technology Co., Ltd
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fiber Bragg grating
fiber Bragg grating
Product details

fiber Bragg grating

Fiber Bragg Gratings

Gain Flattening Filters for C- and L- bandsGain flattening filter

Main features:

·Customized gain flat contour

·Wide spectrum from 1520 nanometers to 1570 nanometers and 1560 nanometers to 1610 nanometers

·Low ripple

·Low insertion loss

·Non thermal packaging

·High strength and reliability

Main parameters:

Wavelength Range for C-band

1520 to 1570

nm

Wavelength Range for L-band

1560 to 1610

nm

Maximum Attenuation

8 dB or more on request

Attenuation Accuracy

< ± 5% of attenuation

Insertion Loss

< 0.5

dB

Operational Temperature Range

0 - 70°

C

Fiber

SMF-28 compatible, 1 meter

Package Dimensions

6.4 mm diameter x 64-95 mm L

Fiber Gratings for Laser Resonators and Sensors(Fiber Bragg Grating)

Main features:

·Customized design

·Different wavelengths

·Optimized reflectivity and bandwidth

·High strength and reliability

Main parameters:

Wavelength Accuracy

< ±0.5

nm

Reflectivity

1 to 99.9

%

3-dB Reflection Bandwidth

0.2 to 1

nm

Grating Profile

Uniform or apodized

Insertion Loss

< 0.1

dB

Fiber

Corning SMF-28 (other fiber types available)

Recoating

Acrylate or custom

Pulling Strength

> 100

kpsi

50 / 100 GHz DWDM Gratings(Dense Wavelength Division Multiplexing Grating)

Main features:

·Near square reflectance spectral response

·Optimized 50 GHz or 100 GHz channel spacing

·High center wavelength accuracy

·Low channel crosstalk

·Low insertion loss

·Non thermal packaging

·High strength and reliability

Main parameters:

50 GHz

100 GHz

Center Wavelength and Accuracy

on ITU grid offset < ± 0.05 nm*

Cladding Mode Loss

< 0.5

dB

Reflection

> 99.9

%

Bandwidth

50

100

GHz

0.5 dB Reflection Bandwidth

> 0.2

> 0.3

nm

30 dB Transmission Bandwidth

> 0.1

> 0.15

nm

Adjacent Channel Crosstalk

< - 25**

< - 30

dB

Non-adjacent Channel Crosstalk

< - 30

< - 30

dB

Insertion Loss

> 0.2

dB

Thermal Sensitivity

< 0.5

pm/°C

Operational Temperature Range

0 - 70

°C

Fiber

SMF-28 compatible

Package Dimensions

6.4 mm f × 55 mm L

mm

*

With package only

**

50 GHz gratings with adjacent channel crosstalk < -30 dB can be supplied on request

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