Fiber-Optic Raman Sodium-Doped Laser     


LD-PD PTE. LTD.'s Raman fiber laser is a high-performance all-fiber light source based on stimulated Raman scattering technology. Different from rare-earth doped fiber lasers, it realizes wide wavelength coverage from 1270 nm to 1370 nm, covering all major optical communication bands.

Equipped with wavelength-locked pump diodes and built-in precise TEC temperature control, the laser features narrow linewidth, low noise and no mode hopping. It achieves excellent beam quality with M²<1.1 and superior long-term power stability. Optimized fiber design effectively suppresses SBS effect to support stable high-power output.

With compact structure and complete protection circuits, the product passes strict telecom reliability tests. Customizable fiber pigtails, wavelengths and output power are available. Widely applied in long-distance fiber communication amplification, distributed optical sensing, high-precision spectroscopy and biomedical microscopy, this Raman laser delivers stable, cost-effective photonics solutions for industrial and scientific research customers worldwide.




Product model


Name Model Price
Fiber-Optic Raman Sodium-Doped Laser   [PDF]  [RFQ]

FIFL-SF-589-3
[Please inquire]
Fiber-Optic Raman Sodium-Doped Laser   [PDF]  [RFQ]

FIFL-SF-589-10
[Please inquire]
Fiber-Optic Raman Sodium-Doped Laser   [PDF]  [RFQ]

FIFL-SF-589-20
[Please inquire]

Parameter


Features

● 1270-1370nm wavelength

● Direct modulation rate 25Gbps

● Non-cooling work

● Single transverse mode transmission

● Comply with ROHS standard

● Reliability conforms to Telcordia GR-468

Key Parameter


model

FIFL-SF-589

Work pattern

Continuous/Quasi-continuous/Pulse output

Wavelength

589.1591   nm & 589.1571 nm (simultaneously excited at a certain ratio of D₂ₐ/D₂ᵦ)

Power

> 22W

Line   width

~10MHz

Polarization

Linear polarization/Circular polarization

Power   stability

RMS < 1%@6h

Beam Quality

Single transverse mode output, M²<1.1

Output   Method

Spatial optical alignment output

Cooling-down method

Hydrocooling

Weight

<50kg

Power Supply Requirements

220 V/50 Hz

Control method

Control via upper-level software / Simulation-based control

Electro-optical conversion efficiency

>4 %

Size   (Length × Width × Height)

<500 × 482 × 338 mm³ + 400 × 167 × 83 mm³


High Power Stability   

152D2EDD213353F08DCD0AB8815B157A.jpg

High Beam Quality

549701BEE24EE526E4CE67CA2DD3B0D5.jpg

D2a/D2b line excitation    

54FECBB0115B744B1EEC15A6914C0D79.jpg

 Sodium Beacon Spot

B7D07DE0D2BB08DA4438560149FCB8B7.jpg


Mechanical Assembly Diagram

unit mm

86831D4452F47261712A357A3EFCB705.jpg

Application

● Celestial observation

● Space object tracking;   

● Star-to-ground laser communication; 

● Remote magnetic field detection; 

● Atmospheric middle layer radar

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