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Home / Laser diode / Distributed Feedback Laser / 1625nm DFB Laser diode for C2H4 Sensing

1625nm DFB Laser diode for C2H4 Sensing

The PL-DFB-1625 -A-A81 1625nm DFB laser diode module made by LD-PD is a cost effective, highly coherent laser source. The DFB laser diode chip is packaged in an industry standard hermetically sealed 14 pin butterfly package with TEC and PD Built in.

Name Price Operation
1625nm DFB PM Laser diode $1300.00
1625nm DFB SM Laser diode $1200.00
1625nm DFB PM Laser diode $1300.00
1625nm DFB SM Laser diode $1200.00
Features

● Narrow Linewidth < 2MHz

● Excellent wavelength control and stability

● Industry Standard 14 pin Butterfly package

● Mode-Hop free tuning

● Excellant reliability

● Customer specific wavelengths available

Laser Specifications

Tsub=25°C, CW bias unless stated otherwise

Parameter

Symbol

Min

Typ

Max

Unit

Centre Wavelength

λ

1624

1625

1626

nm

Side Mode Suppression Ratio

SMSR

30

40


dB

Threshold Current

Ith


20

30

mA

Operating Current

Iop


80

120

mA

Chip output Power

Pf

10

15

30

mW

Quantum Efficiency

η

0.08

0.12


mW/mA

Current Tuning Coefficient

∆λ/∆I


0.015


nm/mA

Temperature Tuning Coefficient

∆λ/∆T


0.12


nm/K

Forward Voltage

Vf


1.3

2

V

Thermistor Resistance

RT

9.5

10

10.5

Thermistor Temp. Coefficient



-4.4


%/°C

Connector

FC/APC


Spectrum

1625.png

1626.png


L-I Curve

E]W7.png

Beam Quality

D)XRNI6(B736%L%HB68S3.jpg     ZUYY5)4Z332N5V9_ZJ`JF.png

                                                     2D                                                                                                                   3D

Power Stability

1628.png


2F Signal testing Condition(200pm C2H4,20m optical path,25℃,1atm)

1629.jpg

1630.png

Package Size

5afc29578aef8.png

Pin definition

1631.png

Absolute  Maximum Ratings

Item

Unit

Min

Typ

Max

Case Temperature

  

-5

25

70

Chip Temperature

+10

25

40

Operating Current

mA

0

100

150

Forward Voltage

V

0.8

1.2

1.8

TEC Current

A

-

-

1.2

Reverse VoltageLD

V

-

-

2.0

Reverse Voltage(PD)

V

-

-

20

Application

● Tunable diode laser absorption spectroscopy

● C2H4 Monitoring

OEM Info

PL-DFB-□□□□-☆-A8▽-XX

□□□□:Wavelength

1512:1512nm

*****

11653.7:1653.7nm

☆ :Output Power

A:10mW

B:20mW

▽:Wavelength Tolerance

1:±1nm

2:±2nm

XX: Fiber and Connector Type

SA=SMF-28E+ FC/APC

SP=SMF-28E+ FC/PC 

PP=PM Fiber+ FC/PC

PA=PM Fiber+ FC/APC