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Home / Laser diode / Distributed Feedback Laser / 852nm low Cost DFB Laser diode (Operation at Room Temperature)

852nm low Cost DFB Laser diode (Operation at Room Temperature)

The PL-DFB-852-A-A81-SA-R 852nm 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.We special design the area only work in room Temperature. Our diode has good performance from 20-30℃.

Name Price Operation
852nm DFB PM Laser diode $2350.00
852nm DFB SM Laser diode $2100.00
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

851.5

852.0

852.5

nm

Side Mode Suppression Ratio

SMSR

30

40


dB

Threshold Current

Ith


20

30

mA

Operating Current

Iop


120

150

mA

Operation Temperature

Top

20

25

30

Chip output Power

Pf

50

70

90

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

Note: All the performance we can guarantee at operation temperature from 20-30deg.

Spectrum

8521.png

Tuning Characteristics

8522.png

L-I Curve

8523.png

Panda PM980 Fiber Nominal Characteristics and Tolerances

Parameters

Specification

Fiber Bend Radius

3cm

Max Attenuation

2.1dB/km

Cladding Diameter

125um

Coating Diameter

250um

Core Cladding   Concentricity

≤0.5um

Mode Field diameter

6.6um

NA=0.12; FC/APC (narrow key)

1039.png

The output light is polarized along the slow axis of PM fiber

Thermistor specs

Parameters

Value

Unit

Thermistor Type

NTC


Resitance@25deg

10000

ohm

Resistance Tol.±

1

%

Beta 0-50 deg

3375

K

Package Size

8524.png

Pin definition

-56e5388b18cfc12b_副本.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

450

600

Forward Voltage

V

0.8

1.2

2.0

TEC Current

A

-

-

3.0

TEC Voltage

V



4

Reverse VoltageLD

V

-

-

2.0

Reverse Voltage(PD)

V

-

-

20

Application

● Tunable diode laser absorption spectroscopy

● Seed laser

● Fiber laser

OEM Info

PL-DFB-□□□□-☆-A8▽-XX-R (R Stands for Room Temperature)

□□□□:Wavelength

852: 852nm

1532: 1532nm

1392: 1392nm

1512: 1512nm

1567: 1567nm

*****

1653.7: 1653.7nm

☆ : Output Power

A: 40mW

B: 70mW

▽: Wavelength Tolerance

1: ±1nm

2: ±2nm

XX: Fiber and Connector Type

SA=HI780+ FC/APC

SP=HI780+ FC/PC

PA=PM980 Fiber+ FC/APC

PP=PM980 Fiber+ FC/PC