• About Us
  • News & Events

Product

ASE & Fiber Laser

Products

Custom

1550nm Ultra-Narrow Linewidth Fiber Lase

Single frequency narrow linewidth fiber laser adopts rare earth-doped fiber DFB laser cavity structure, output wavelength 1550nm single longitudinal mode laser, spectral linewidth is less than 3kHz, output spectral side mode suppression ratio exceeds 60dB, can provide module or desktop package, it is distributed Ideal laser source for applications such as sensing.

Features

  • Spectral Line-width≤ 3KHz
  • All-fiber DFB resonator structure
  • Stable wavelength without mode hopping

Applications

  • Laser Seed Source
  • Acoustic Sensor
  • Hydrophone
  • Fiber Distributed Sensing
  • Coherent Light Communication

Performance Specifications

Optical Parameter

Unit

Typical Values

Remark

Wavelength tuning range

nm

1550±0.5

1545~1560nm customized

Spectral linewidth

kHz

≤3

 

Wavelength instability

MHz

≤±25

 

Side mode suppression ratio

dB

≥50

 

Output power

mW

50/100

Constant and not adjustable

Short-term Stability (15 Minutes)

dB

≤ ±0.02

 

Long-term Stability (8 Hours)

dB

≤ ±0.05

 

Fiber Type

-

SMF-28 / PM1550 Panda

 

Optical Connector

-

FC/APC

 

 

Electrical and environmental parameters

Desktop

Module

Control Mode

Button

RS232

Communication Interface

* Optional (DB9 optional host computer software)

DB9 Female

Power Supply

100~240V AC, <30W

5V DC, <15W

Dimensions

260(W)×280(D)×120(H)mm

125(W)×150(D)×20(H)mm

Operation Temperature Range

-5~+55°C

Operation Humidity Range

0~70%

 

Package Dimension

Ordering Information

P/N: ①-②-③-④-⑤

When you inquire, please provide the correct P/N number according to our ordering information, and attach the appropriate description would be better.
NLFL
Wavelength
Output power (mW)
Fiber Type
Package Type
 
1550:1550nm
50/100
SM: SMF-28e
PM: PM1550 panda
M: Module
B: Desktop

Ordering Information for Custom Parts:

If you need to customize other specifications, please provide detailed description for your requirement.

DK