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1.5um Single Frequency Fiber Laser Basic Module
Product Description:
Connet Laser CoSF-1 is a low noise single frequency fiber laser module designed based on Connet Laser's proprietary technology, a patent pending “Optimized Ring Cavity” designed to eliminate the standing wave Spatial Hole Burning (SHB) phenomenon which appears easily in short linear cavity. It comes with the particular ultra-narrow filter and the polarization controlling technology to realize PM, single longitudinal mode and ultra-narrow linewidth output.
The CoSF-1 series 1.5um SF fiber laser basic module features the ultra-narrow linewidth in the kHz range, extremely low RIN and intensity noise and excellent SMSR more than 50dB. In addition, CoSF-1 takes unique high-intensity package to ensure that it can normally be operated in different kinds of environments and achieve single longitudinal mode output without mode-hopping even under the bad conditions such as the temperature changes, vibration and shocking, etc.
The CoSF-1 series 1.5um single frequency fiber laser basic module is normally with mW range output power and the higher output power can be customized. The center wavelength can be chosen freely in the range of 1535-1605nm, such as the standard wavelengths of ITU.
Features:
• Ultra
narrow Lorentzian linewidth <1kHz
• Stable single frequency & single
polarization operation
• No mode-hopping, No out-bursting
noise
• Low
phase and intensity noise
• Flexible design, various wavelengths
optional
• PM
output, high PER
• Smart module, robust package
Applications:
• Fiber Optic Sensor
• LiDAR
• Acoustic
sensing and pipeline monitoring
•
Laser spectroscopy
• Coherent
Communications
• Gas absorption measurement
• Metrology
• RF and microwave photonics
Specifications：
Parameter
Unit
Specification
Min
Typ.
Max
Part No.
COSF-1-1550-M-SF
Center Wavelength1
nm
1530-1605nm (can be customized)
Output Power
mW
-
5
10
Output Laser Type
CW, Single frequency & Single polarization
Beam Quality
M2
<1.05
Linewidth2
kHz
-
<1
-
Side Mode Suppression Ratio (50pm res.)
dB
55
58
-
Phase Noise
μRad/rt(Hz)
30
RIN
dBC/Hz
<-120@1MHz; <-140@10MHz
Output Polarization
Linear
Polarization Extinction Ratio (PER)
dB
20
-
-
Output Power Stability (PV)
%
-
±0.5
±1.0
Temperature Tuning (standard)
nm
±0.15
±0.3
Fast PZT Tuning Range (optional)
pm
-
15
-
Output Light Isolation
dB
35
-
-
Output Power Tunable Range
%
10
100
Operating Temperature
℃
-5
-
50
Storage Temperature
℃
-20
-
65
Humidity
%RH
0-70 (Non-condensing)
Power Supply
VDC
5
Output Fiber Type
PM1550-XP (SMF-28 Optional)
Output Fiber Length
m
> 0.5
Optical Connectors
FC/APC
Dimensions
mm
175(L)×130(W)×29(H)
1.The center wavelength is selectable within the specified range. Other wavelengths are available.
2. Lorentzian line shape with optical delay of 120us
Optical Spectrum Shows High SMSR/OSNR
Self-heterodyne, 50km SMF-28 fiber delay line, 70MHz frequency shifting with AOM. Typical linewidth is 552Hz. Frequency test shows very good frequency stability.
Ordering Information：
CoSF-1-15xx-M-<P>-SF
M: Module
P: Output power in mW, Example: 05-5mW, 10-10mW
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