1550nm 50mW DFB Laser 3kHz/1kHz Narrow Linewidth with PM Fiber NLFL-1550-50-T-PM-B Benchtop type

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1550nm 50mW DFB Laser 3kHz/1kHz Narrow Linewidth with PM Fiber NLFL-1550-50-T-PM-B Benchtop type

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-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

≤1 kHz Choose

Sideband Suppression Ratio

dB

Near 50

 

Wavelength instability

MHz

≤±25

 

Working Mode

-

CW

Continuous Laser

Pump Output Power

mW

≥50

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 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%

 

 

 

1550nm single mode fiber laser

1550nm single mode fiber laser

1550nm single mode fiber laser

1550nm single mode fiber laser

 






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