2004nm DFB Laser diode for CO2 Gas monitoring     


The PL-DFB-2004-A-A81 2004nm 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 Built in. Good SMSR and High Optical power output.



Product model


Name Model Price
2004nm DFB PM Laser diode   [PDF]  [RFQ]

PL-DFB-2004-A-A81-PA
Stock NO.: A80012476
[Please inquire]
2004nm DFB SM Laser diode   [PDF]  [RFQ]

PL-DFB-2004-A-A81-SA
Stock NO.: A80012475
[Please inquire]


Parameter



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

Electrical/Optical Characteristics(Tsub=25°C, CW bias unless stated otherwise)

Parameter

Symbol

Min

Typ

Max

Unit

Centre Wavelength

λ

2003

2004

2005

nm

Side Mode Suppression Ratio

SMSR

30

40


dB

Threshold Current

Ith


20

30

mA

Operating Current

Iop


180

200

mA

Chip Output Power

Pf

2

3

8

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

QATQ]J9UV209`S]]NJVXGIH.jpg

Tuning Characteristics

tu3.png

DFB Linewidth Testing Result

PT Linewidth.jpg

L-I Curve

2004.png

Central Wavelength 

2004.jpg


Wavelength Stability

PD2NW]TQ7OTBD.jpg


Power Stability

%)LDF`X4NYV5945LZBZZENX_副本.png


Mode hope tuning Range

2003.jpg


Beam Quality

D)XRNI6(B736%L%HB68S3.jpg    

2D 


 ZUYY5)4Z332N5V9_ZJ`JF.png

3D

Camera Analysis 

89A31A99B922B0A5004C93A98748FF54.png


Package Size

pk.png

Pin definition

GUGGDL(4GHO1@%_{H_OZB]I.jpg

Pin Connection

PIN#

Function

PIN#

Function

1

Thermistor

8

Case Ground

2

Thermistor

9

Case Ground

3

Laser Cathode (-)

10

NC

4

NC

11

Laser Anode (+)

5

NC

12

Laser Cathode (-)

6

TEC (+)

13

Laser Anode (+)

7

TEC (-)

14

NC


Absolute Maximum Ratings

Item

Unit

Min

Typ

Max

Case Temperature

  

-5

25

70

Chip Temperature

+10

25

40

Operating Current

mA

0

180

200

Forward Voltage

V

0.8

1.2

1.8

TEC Current

A

-

-

1.2

Reverse VoltageLD

V

-

-

2.0

Reverse Voltage(PD)

V

-

-

20


CO2

GL@P3(9$N33}0GS9RJS__ZB.jpg

Application

● Tunable diode laser absorption spectroscopy

● CO2 Monitoring

Ordering Info

PL-DFB-□□□□-☆-A8▽-XX

□□□□:Wavelength

1512:1512nm

*****

1653.7: 1653.7nm

2004: 2004nm

☆ :Output Power

A:2mW

B:5mW

▽: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



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