DFB

The PL-DFB-986-B-A81 986nm DFB laser diode module made by LD-PD is a cost effec-tive, highly coherent laser source. The DFB laser diode chip is packaged in an indus-try standard hermetically sealed 14 pin butterfly package with TEC and PD Built in.

Product model

986nm DFB SM Laser diode

PL-DFB-986-B-A81-SA

Central wavelength 986nm, Output power 40 - 60mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, HI1060, FC/APC

Central wavelength: 986nm

Output power: 50mW

Package: 14pin - BF

986nm DFB PM Laser diode

PL-DFB-986-B-A81-PA

Central wavelength 986nm, Output power 40 - 60mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM980 Fiber, FC/APC

Central wavelength: 986nm

Output power: 50mW

Package: 14pin - BF

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	985	986	987	nm
Side Mode Suppression Ratio	SMSR	30	40		dB
Threshold Current	Ith		20	30	mA
Operating Current	Iop		120	150	mA
Chip output Power	Pf	40	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	KΩ
Thermistor Temp. Coefficient			-4.4		%/°C
Connector	FC/APC

Spectrum

Tuning Characteristics

DFB Linewidth Testing Result

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L-I Curve

2345截图20210106185314.png

Beam Quality

975F_副本.jpg

2D

974F_副本.png

3D

Package Size

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	180	250
Forward Voltage	V	0.8	1.2	2.1
TEC Current	A	-	1.2	1.2
Reverse Voltage（LD）	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

972.4: 972.4nm

1030: 1030nm

1532: 1532nm

1392: 1392nm

1512: 1512nm

1567: 1567nm

*****

1653.7: 1653.7nm

☆ : Output Power

A: 20-40mW

B: 40-60mW

▽: 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

1018nm DFB Laser Diode For Seed Laser 980nm DFB Laser Diode For Seed Laser

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986nm DFB Laser Diode for Seed Laser

Product model

Parameter