Ultra-narrow Line-width 1550nm 50mW DFB Fiber Laser 3kHz/1kHz SM Fiber Module type NLFL-1550-50-T-SM-M
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-1550-50-SM-M /
NLFL-1550-50-T-SM-M
|
T: Tunable power
|
|
Working Wavelength
|
nm
|
1550±0.1
|
1545~1560nm Customizable
|
|
Spectral Linewidth
|
kHz
|
≤ 3
|
1kHz (choose)
|
|
Sideband Suppression Ratio
|
dB
|
≥60
|
|
|
Wavelength instability
|
MHz
|
≤±25
|
|
|
Working Mode
|
-
|
CW
|
Continuous Laser
|
|
Output Power
|
mW
|
≥50
|
Fixed (Default) /
10~100% Output power Tunable(choose)
|
|
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
|
--
|
SMF-28 SM Fiber
|
L=1m
|
|
Fiber Interface Type
|
--
|
FC/APC
|
|
|
Electrical and environmental parameters
|
DeskTop Type
|
Module Type
(Current product)
|
|
Control method
|
Button
|
RS232 Serial communication
|
|
Communication interface
|
DB9 Female(Default not include)
|
DB9 Female
|
|
Power supply
|
AC 100~240V
|
DC 5V, 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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