1125nm DFB Laser diode for Seed Laser     


The PL-DFB-1125-A-A81 1125nm 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
1125m DFB PM Laser diode   [PDF]  [RFQ]

PL-DFB-1125-A-A81-PA
(Stock NO. Not entered)
[Please inquire]
1125m DFB SM Laser diode   [PDF]  [RFQ]

PL-DFB-1125-A-A81-SA
(Stock NO. Not entered)
[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

1124.5

1125.0

1125.5

nm

Side Mode Suppression Ratio

SMSR

30

40


dB

Threshold Current

Ith


20

30

mA

Operating Current

Iop


180

250

mA

Chip output Power

Pf

30

50

60

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

d989466ef74fae6823e3acc9df28f116.jpg

L-I Curve

5724a6952c9f3a177aec40ce42983d31.jpg


Tuning Characteristics

6bc1d19ed91b4569654f9b8cf9b6d3de_720.jpg


Package Size

pk.png

Pin definition

ZQIRNQSF5.jpg


1

Thermoelectric Cooler (+)

8

N/C

2

Thermistor

9

N/C

3

PD Monitor Anode (-)

10

Laser Anode (+)

4

PD Monitor Cathode (+)

11

Laser Cathode (–)

5

Thermistor 

12

N/C

6

N/C

13

Case Ground

7

N/C

14

Thermoelectric Cooler (–)


Absolute  Maximum Ratings

Item

Unit

Min

Typ

Max

Case Temperature

-5

25

70

Chip Temperature

+10

25

40

Operating Current

mA

0

180

250

Forward Voltage

V

0.8

1.2

2.1

TEC Current

A

-

1.2

1.2

Reverse VoltageLD

V

-

-

2.0

Reverse Voltage(PD)

V

-

-

20


Application

● Tunable diode laser absorption spectroscopy

● Seed laser

● Fiber laser

Ordering Info

PL-DFB- □□□□-☆-A8▽- XX

□□□□: Wavelength

1125: 1125nm

1532: 1532nm

1392: 1392nm

1512: 1512nm

1567: 1567nm

*****

1653.7: 1653.7nm

☆ : Output Power

A: 50mW

B: 80mW

▽: Wavelength Tolerance

1: ±1nm

2: ±2nm

XX: Fiber and Connector Type

SA=HI1060+ FC/APC

SP=HI1060+ FC/PC

PA=PM980 Fiber+ FC/APC

PP=PM980 Fiber+ FC/PC



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