Single Frequency Narrow-Linewidth Laser with Low Noise for Fiber Distributed Sensor

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Sichuan Ziguan Photonics Technology Co., Ltd

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Single Frequency Narrow-linewidth Laser
Fiber Transceiver
ODF
ISO, RoHS
New
Customized Logo
100% Testing Before Shipping
ZG
Box
Small
Mianyang, China
Product Description
Introduction
The source laser adopts a narrow line-width DFB laser,combined with a high-performance current sweep hardware drive circuit,so that the laser keeps a narrow line-width,low noise,high performance and stable output.

Features
Spectral linewidth 3KHz
All-fiber resonator structure
High frequency stability,no mode hopping
Module shockproof design
Applications
Laser seed source
Acoustic sensor,hydrophone
Fiber distributed sensing
Coherent optical communication
 
ParameterUnitValue
Center wavelength rangenm1540~1560
Signal background ratiodB> 60
Light wave pattern-Single longitudinal mode, continuous wave
Output powermW10, 20
Polarization-Linear polarization
Polarization extinction ratiodB> 23
Polarization degree-99%
Spectral linewidthkHz3kHz
Frequency instabilityMHz<20 (15min)  <100 (for a long time)
Relative intensity noise@>3MHzdB/Hz<-110dB/Hz@ROF peak, <-120dB/Hz@1MHz
Phase [email protected]dB< -110
Power instability@>3h-<1%
Type of output optical fiber-SMF-28e Single fiber Or Polarization fiber  PM1550
Power supply-DC 5V OR AC 220V

Ordering information
ZGWavelengthPowerPigtail typeDiameter of pigtail casingFiber lengthConnectorPackaging
 1550=1550nm10=10mW
100=100mW
SM=Single fiber
PM=Polarization fiber
9-0.9mm
2-2mm
0=Flange
1 =1M
2 =2M
0=None
1=FC/APC
2=FC/UPC
B=Benchtop
M=Module


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