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Home > Products > Single Frequency Fib... > CoSF-D-ER > CoSF-D-ER-B-MP Narro...
CoSF-D-ER-B-MP Narrow Linewidth Single Frequency Fiber Laser
Description:
Connet CoSF-D is a low-noise Single Frequency Fiber Laser based on Distributed Feedback Bragg Grating (DFB) technology. It has independent intellectual property rights and achieves a stable single-frequency laser output with single longitudinal mode, linear polarization, and narrow linewidth. CoSF-D has very low phase and frequency noise and low relative intensity noise (RIN). Connet uses unique packaging technology to ensure low-noise DFB single frequency fiber lasers with excellent wavelength stability.
Connet uses extra-cavity technology to significantly suppress the relative intensity noise (RIN) of the DFB single frequency fiber laser, ensuring that the resonant cavity of the single frequency fiber laser is not disturbed. Please refer to CoSF-D-RS series products.
CoSF-D-ER-B-MP works in the 1.5um band, and the output power of the benchtop low noise narrow linewidth single frequency fiber laser is from 500mW to 10W. Higher output power products can be provided on request. The standard wavelength is 1550.12nm, and the optional wavelength range is 1535-1605nm, such as the standard wavelength under the ITU framework.
Features:
● Ultra-narrow linewidth <1kHz
● Very low phase noise and frequency noise
● Low relative intensity noise (RIN)
● Stable single frequency, single polarization output
● No mode-hopping
● Benchtop all-in-one package
● High reliability
Applications:
● Distributed optical fiber sensing
● Coherent LiDAR
● Fiber optic hydrophone
● Laser spectroscopy
● Coherent communication
● Gas absorption measurement
● Cold atomic physics
● Other scientific research
Specifications:
|
Parameter |
Unit |
Specification |
||
|
Min |
Typ. |
Max |
||
|
Part no. |
|
CoSF-D-ER-B-MP |
||
|
Center wavelength |
nm |
1530-1572nm fixed, other specify |
||
|
Output power |
W |
0.2 |
- |
10 |
|
Laser output |
|
CW, Single frequency & Single longitudinal mode |
||
|
Beam quality |
M2 |
- |
1.05 |
1.1 |
|
Linewidth |
kHz |
- |
- |
1 |
|
RIN peak frequency |
kHz |
200 |
- |
500 |
|
RIN peak |
dBc/Hz |
- |
-105 |
-100 |
|
RIN @10MHz |
dBc/Hz |
- |
-130 |
-125 |
|
Phase noise (1m OPD) |
urad/√Hz |
<100@100Hz |
||
|
urad/√Hz |
<10@10kHz |
|||
|
urad/√Hz |
<1@100kHz |
|||
|
SMSR (50pm resolution) |
dB |
50 |
60 |
- |
|
Output polarization |
|
Linear |
||
|
Polarization extinction ratio (PER) |
dB |
20 |
23 |
- |
|
Output power stability |
% |
- |
±1 |
- |
|
Output isolation |
dB |
30 |
- |
- |
|
Wavelength thermal tuning |
nm |
- |
0.3 |
- |
|
PZT wavelength modulation |
|
Optional |
||
|
Modulation frequency (linear) |
kHz |
DC |
10 |
20 |
|
Modulation wavelength range |
GHz |
- |
10 |
15 |
|
Operating temperature |
℃ |
0 |
- |
+50 |
|
Storage temperature |
℃ |
-20 |
- |
+60 |
|
Power supply |
VAC |
100-240V 50/60Hz |
||
|
Communication interface |
|
RS232 |
||
|
Output fiber type |
|
Panda PM1550 |
||
|
Output fiber length |
m |
> 0.5 |
||
|
Optical connector |
|
FC/APC |
||
|
Dimension |
mm |
430x450x105 |
||
|
Weight |
kg |
<5 |
||
Ordering Information:
CoSF-D-ER-B-MP-<15xx>-<PW>-PMF/SMF-PZT-FA
PW: Output power, in watts.
Options: 1. SMF output 2. Monitoring output 3. PZT fast modulation
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