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Home / Laser diode / Distributed Feedback Laser / 1341nm DFB Laser diode for H2O Sensing

1341nm DFB Laser diode for H2O Sensing

The PL-DFB-1341-A1 1341nm 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
1341nm DFB SM Laser diode $2800.00
1341nm DFB PM Laser diode $3000.00
1341nm DFB SM Laser diode $2600.00
1341nm DFB PM Laser diode $3000.00
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

1340.5

1341.0

1341.5

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

Copy20190507_001_副本.jpg


1432.png

Tuning Characteristics

1341.png

Wavelength Stability

5b9bae071a01a.png


L-I Curve

E]W7.png

Beam Quality

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

                                                     2D                                                                                                                   3D

Package Size

5afc29578aef8.png

Pin definition

16543.jpg

Pin

Function

Pin

Function

1

Thermistor

8

Case Ground

2

Thermistor

9

Case Ground

3

Laser dc Bias   (Cathode) (–)

10

Case Ground

4

PD Monitor Anode   (-)

11

Laser Anode (+)

5

PD Monitor Cathode   (+)

12

RF Laser Input   Cathode (–)

6

Thermoelectric   Cooler (+)

13

Laser Anode (+)

7

Thermoelectric   Cooler (–)

14

Case Ground

 

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

● H2O(Gas) Monitoring

OEM Info

PL-DFB-□□□□-☆-A8▽-XX

□□□□:Wavelength

1341:1341nm

1392:1392nm

1512:1512nm

1567:1567nm

*****

1653.7:1653.7nm

☆ :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