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CoSF-R Series 2.0um Narrow Linewidth Single Frequency Fiber Laser
Time：2020.03.19 Source: Author：
Connet CoSF-R series 2.0um narrow linewidth single frequency fiber laser is a low noise fiber laser based on Connet's proprietary technology, a patent pending“Optimized Ring Cavity”specially designed to eliminate the standing wave Spatial Hole Burning (SHB) phenomenon which appears easily in linear cavity fiber lasers. Connet’s uniquely designed ultra-narrow all-fiber filter ensures the single-frequency operation of the fiber laser. It comes with the particular polarization-controlling technology to realize the stable linear polarization, single longitudinal mode, ultra-narrow linewidth single frequency laser output.
Narrow linewidth single frequency fiber laser of Connet is with excellent performance with the ultra-narrow linewidth in the kHz level, the extremely low frequency and RIN noise, and the great SMSR higher than 50dB. In addition, it adopts the unique high-intensity package to ensure that it can be normally operated in different kinds of environments and meanwhile achieve the Single Longitudinal Mode output without mode-hopping even under the bad conditions such as the temperature changes, vibration and shocking, etc.
The output power of the CoSF-R series 2.0um narrow linewidth single frequency fiber laser can be 100mW and the higher output power also can be provided on request. The center wavelength can be chosen freely in the range of 1900-2051nm such as 1908nm，1940nm，1950nm，2004nm，and 2050nm, etc.
Features
• Ultra-narrow linewidth
• 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
Applications
• Fiber Optic Sensing
• LiDAR
• Atomic cooling, atomic capture
• Laser spectroscopy
• Frequency multiplication
• Other scientific research
Main Test Data:
|
Parameter |
Test Result |
|
Center wavelength |
1959.96nm |
|
Output power |
10mW |
|
SMSR |
74.79dB |
|
PER |
＞20dB |
|
Output polarization |
Linear |
|
Output optical isolation |
＞35dB |
|
Beam quality（M2） |
＜1.05 |
|
Output power stability |
＜±0.5％ |
|
Operating temperature |
0℃～50℃ |
|
Storage temperature |
-40℃～85℃ |
|
Output fiber type |
PM1950 |
|
Output fiber length |
1m |
|
Optical connector |
FC/APC |
Product Information:
|
Product |
CoSF-R Series 2.0um Narrow Linewidth Single Frequency Fiber Laser |
|
P/N |
CoSF-R-Tm-1960-B-SF |
|
Main Test Equipment |
Power Meter (OPHIR NOVAⅡ） |
|
Optical Spectrum Analyzer (YOKOGAWA AQ6375B） |
Test Environment and Power Supply:
|
Parameter |
Specification |
|
Power Supply |
100~240VAC |
|
Test Temperature |
25℃ |
|
Humidity |
<90% |
|
Warm-up Time |
<30mins |
Schematic Diagram of Test:
Fig. 1 Schematic Diagram for Output Spectrum and Power Measurement
Measured Spectrum:
Fig. 2 Measured Spectrum
