1512nm DFB Laser diode for NH3 Sensing     


The PL-DFB-1512-A-A81 1512nm 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
1512nm DFB PM Laser diode   [PDF]  [RFQ]

PL-DFB-1512-A-A81-PA-14BF
Stock NO.: A80012222
[Please inquire]
1512nm DFB SM Laser diode   [PDF]  [RFQ]

PL-DFB-1512-A-A81-SA-14BF
Stock NO.: A80012221
[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

Tsub=25°C, CW bias unless stated otherwise

Parameter

Symbol

Min

Typ

Max

Unit

Centre Wavelength

λ

1511

1512

1513

nm

Side Mode Suppression Ratio

SMSR

30

40


dB

Threshold Current

Ith


20

30

mA

Operating Current

Iop


80

150

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

DMK]5GU_EPC}[1P(]8[}QN5.png

L-I Curve

E]W7.png

Tuning Characteristics

1512.png


DFB Linewidth Testing Result

PT Linewidth.jpg

Central Wavelength

1512.jpg


Wavelength Stability

1510nm 波长.png


Beam Quality

D)XRNI6(B736%L%HB68S3.jpg    

2D 


 ZUYY5)4Z332N5V9_ZJ`JF.png

3D


2F Signal testing Condition(100pm NH3,20m optical path,25℃,1atm)

S3.jpg

S4.png

Package Size

S5.png

Pin definition

Schematic Diagram (Top View)

pp.png

Pin Connection

PIN#

Function

PIN#

Function

1

Thermistor

8

Case Ground

2

Thermistor

9

Case Ground

3

LD(-)

10

NC

4

Detector (+)

11

LD(+)

5

Detector (-)

12

LD (–), RF 

6

TEC (+)

13

LD (+)

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

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

● NH3 Monitoring

Ordering Info

PL-DFB-□□□□-☆-A8▽-XX

□□□□:Wavelength

1512: 1512nm

*****

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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