1270nm DFB Laser diode for HF Sensing(TO39 Package)


The PL-DFB-1270-A-A81 1270nm 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 TO39 package with TEC and PD Built in.



Product model


Name Model Price
1270nm DFB SM Laser diode(TO39)   [PDF]  [RFQ]

PL-DFB-1270-A-A81-TO39
Stock NO.: A80011006
[Please inquire]


Parameter



Features

● Narrow Linewidth < 2MHz

● Excellent wavelength control and stability

● Industry Standard TO39 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

1269.5

1270.0

1270.5

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


Spectrum

12701.png

L-I Curve

E]W7.png

Tuning characteristics

7~HF{N~]SGGI)7XFQBMK1GO.png

DFB Linewidth Testing Result

PT Linewidth.jpg


Central Wavelength

1269.1.jpg


Wavelength Stability

1270nm 波长.png

Beam Quality

D)XRNI6(B736%L%HB68S3.jpg    

2D 


 ZUYY5)4Z332N5V9_ZJ`JF.png

3D


Camera Analysis 

89A31A99B922B0A5004C93A98748FF54.png

Dimensions and Pin definitions

Unite(mm)

t3.jpg


Absolute  Maximum Ratings

Item

Unit

Min

Typ

Max

Case Temperature

  

-5

25

70

Chip Temperature

+10

25

40

Operating Current

mA

0

100

120

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

● HF Monitoring

Ordering Info

PL-DFB-□□□□-☆-A8▽-TO39

□□□□:Wavelength

1270: 1270nm

*****

1653.7: 1653.7nm

☆ :Output Power

A:10mW

B:20mW

▽:Wavelength Tolerance

1:±1nm

2:±2nm



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