Narrow linewidth(3kHz) 1550nm 500mW PM Fiber coupled laser Benchtop NLFL-1550-500-T-PM-B
Single frequency narrow linewidth fiber laser adopts rare earth doped fiber DFB laser cavity structure, output single longitudinal mode laser with wavelength of 1550nm, spectral linewidth is less than 3kHz, output spectral side mode suppression ratio exceeds 60dB, can provide module or desktop package, is distributed Ideal laser source for applications such as sensing.
[Features]
Spectral linewidth ≤ 3kHz
All-fiber DFB resonator
Wavelength stable without mode hopping
[Applications]
Lidar
Acoustic sensing, hydrophone
Optical fiber distributed sensing
[Specification]
|
Parameters
|
Unit
|
Typical Value
|
Remarks
|
|
Model
|
--
|
NLFL-1550-500-T-PM-B
|
|
|
Working Wavelength
|
nm
|
1550±0.1
|
1540~1560nm Customizable
|
|
Wavelength Adjustable Range
|
nm
|
±0.1
|
Temperature adjustment
|
|
Temperature Adjustment Accuracy
|
℃
|
0.01
|
|
|
Spectral Linewidth
|
kHz
|
≤ 3
|
1kHz can be customized.
|
|
Sideband Suppression Ratio
|
dB
|
Near 50
|
|
|
Wavelength instability
|
MHz
|
≤±25
|
|
|
Working Mode
|
-
|
CW
|
Continuous Laser
|
|
Pump Output Power
|
mW
|
≥500
|
Fixed (Default) /
10~100% Output power Tunable(Choose)
|
|
Polarization state
|
-
|
Random/Linear Polarization
|
|
|
Short-term Stability (15 minutes)
|
dB
|
≤ ±0.02
|
Equivalent≤±0.5%
|
|
Long-term Stability (8 hours)
|
dB
|
≤ ±0.05
|
Equivalent≤±1.2%
|
|
Pigtail Fiber Type
|
--
|
PM1550 PM Fiber
|
L=1m
|
|
Fiber Interface Type
|
--
|
FC/APC
|
|
|
Electrical and environmental parameters
|
DeskTop Type
(Current product)
|
Module Type
|
|
Control method
|
Button
|
RS232 Serial communication
|
|
Communication interface
|
DB9 Female(Default not include)
|
DB9 Female
|
|
Power supply
|
AC 100~240V
|
DC 12V, 3A
|
|
Size
|
260(W)×280(D)×120(H)mm
|
125(W)×150(D)×31.5(H)mm
|
|
Operating temperature range
|
-5~+35°C
|
|
Operating humidity range
|
0~70%
|
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