1520nm DFB Laser diode for C2H2 Sensing   2021-09-11    


The PL-DFB-1520-A-A81 1520nm 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.


Product model



Name Model Price
1520nm DFB PM Laser diode  [PDF]  [RFQ]

PL-DFB-1520-B-1- PA-14BF
Stock NO.: A80012226
USD 1700.00 
 
1520nm DFB SM Laser diode  [PDF]  [RFQ]

PL-DFB-1520-B-1- SA-14BF
Stock NO.: A80012225
USD 1500.00 
 


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

1519.5

1520.0

1520.5

nm

Side Mode Suppression Ratio

SMSR

30

40


dB

Threshold Current

Ith


20

30

mA

Operating Current

Iop


110

150

mA

Chip output Power

Pf

15

20

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

1520.jpg


L-I Curve

PI.png

DFB Linewidth Testing Result

3F}3~5GMTW8F9$)8_GB@VSG.png


Beam Quality

D)XRNI6(B736%L%HB68S3.jpg    

2D 


 ZUYY5)4Z332N5V9_ZJ`JF.png

3D

Package Size

15503.png

Pin definition

6bf0c09fd2c8fc6e_副本.jpg

Pin Connection

PIN#

Function

PIN#

Function

1

Thermistor

8

NC

2

Thermistor

9

NC

3

NC

10

NC

4

PD Monitor Anode (-)

11

Laser Anode (+),Case Ground

5

PD Monitor Cathode (+)

12

RF Laser Input Cathode (–)

6

Thermoelectric Cooler (+)

13

Laser Anode (+),Case Ground

7

Thermoelectric Cooler (–)

14

NC


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

● C2H2 Monitoring

Ordering Info

PL-DFB-□□□□-☆-▽- xx-14BF

□□□□:Wavelength

1270: 1270nm

1392: 1392nm

1520: 1520nm

1530: 1530nm

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



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