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Home > Products > Single Frequency Fib... > CoSF-D-TM > CoSF-D-TM-M Single F...
CoSF-D-TM-M Single Frequency Fiber Laser Module
Description:
Connet CoSF-D narrow linewidth single frequency fiber laser is a low-noise single frequency fiber laser independently developed by patent technology. It adopts distributed feedback Bragg grating (DFB) fiber laser technology and has independent intellectual property rights. The single frequency fiber laser It has a stable single polarization, single longitudinal mode, ultra-narrow linewidth single frequency laser output.
Connet adopts the relative intensity noise (RIN) suppression technology outside the cavity to ensure the low noise operation of the CoSF-D single frequency fiber laser. The CoSF-D single frequency fiber laser has excellent performance, with very low phase noise and frequency noise. The basic module of the CoSF-D narrow linewidth single frequency fiber laser has a small size, a sturdy package, and strong anti-interference ability.
The CoSF-D-TM-M module is based on Thulium-doped fiber, and the center wavelength can be selected in the 1900nm to 2100nm range. The output power can reach 20mW. The typical line width is less than 15kHz.
Features:
● Narrow linewidth <15kHz
● Customizable operating wavelength
● Stable single frequency, single polarization output
● Superior Noise Operation
● High reliability
● Distributed optical fiber sensing
● Coherent LiDAR
● Laser spectroscopy
● Gas absorption measurement
● Scientific research
Specifications:
Parameter
Unit
Specification
Min
Typ.
Max
Part no.
CoSF-D-TM-M
Center wavelength1
nm
1900-2100 nm fixed, other specify
Output power2
mW
-
20
-
Laser output
CW, Single frequency & Single longitudinal mode
Beam quality
M2
-
1.05
1.1
Linewidth
kHz
-
10
15
RIN peak
dBc/Hz
-
-120
RIN @10MHz
dBc/Hz
-
-150
SMSR (50pm resolution)
dB
45
50
-
Polarization extinction ratio (PER)
dB
20
22
-
Output power stability
%
-
±1
±2
Output isolation
dB
30
35
-
Wavelength thermal tuning
nm
0.6
0.8
PZT wavelength modulation
Optional
Modulation frequency (linear)
kHz
DC
10
20
Modulation wavelength range
GHz
-
8
10
Operating temperature
℃
0
-
+60
Storage temperature
℃
-40
-
+85
Power supply
VDC
12
Communication interface
RS485
Output fiber type
Panda PM1950
Dimension
mm
200x135x50
Weight
kg
<0.5
Note:
1.Typical center wavelength: 1940nm,2050nm, Other wavelengths available.
2.Higher power available，20mW is fixed, 50mW and 100mW output power are adjustable.
Ordering Information:
CoSF-D-Tm-M-<-19xx-<PW>-PMF/SMF-PZT-FA
PW: Output power, 20mW is fixed, 50mW and 100mW output power are adjustable.
SMF output is upon request, PZT fast modulation is on option. Monitoring output is upon request.
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