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Home / Laser diode / Distributed Feedback Laser / 1984nm DFB Tunable Laser diode

1984nm DFB Tunable Laser diode

The PL-DFB-1984-A1 1984nm 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

Name Price Operation
1984nm DFB SM Laser diode
[Explore More]
$6800.00
 
1984m DFB PM Laser diode
[Explore More]
$7000.00
 
Features

● Narrow Linewidth < 2MHz

● Excellent wavelength control and stability

● Industry Standard 14 pin Butterfly package

● Mode-Hop free tuning

● Excellent 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

1983

1984

1985

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

4

5

6

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

1984.png

L-I Curve

1984.1.png

Tuning characteristics

1984.3.png

Power Stability

%)LDF`X4NYV5945LZBZZENX_副本.png


Beam Quality

D)XRNI6(B736%L%HB68S3.jpg     ZUYY5)4Z332N5V9_ZJ`JF.png

2D                                                                                                                   3D


Camera Analysis 

89A31A99B922B0A5004C93A98748FF54.png

Package Size

5afc29578aef8.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

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

● H2O Monitoring

Ordering Info

PL-DFB-□□□□-☆-A8▽- XX

□□□□: Wavelength

1390: 1390nm

1512: 1512nm

1567: 1567nm

1570: 1570nm

*****

1653.7: 1653.7nm

1984: 1984nm

2327: 2327nm

☆: Output Power

A: 5mW

B: 10mW

▽: 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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