DFB

The PL-DFB-972.4-B-A81 972.4nm 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

972.4nm DFB PM Laser diode

PL-DFB-972.4-B-A81-PA

Central wavelength 972.4nm, Output power 40 - 60mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM980 Fiber, FC/APC

Central wavelength: 972.4nm

Output power: 50mW

Package: 14pin - BF

972.4nm DFB SM Laser diode

PL-DFB-972.4-B-A81-SA

Central wavelength 972.4nm, Output power 40 - 60mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, HI1060, FC/APC

Central wavelength: 972.4nm

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	972.0	972.4	973.0	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

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Tuning Characteristics

图片1.png

DFB Linewidth Testing Result

PT Linewidth.jpg

L-I Curve

2345截图20210106185314.png

Mode hope Free Tuning Range

Wavelength Stability

972.1.jpeg

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

976nm DFB Laser Diode For Seed Laser 935nm DFB Laser Diode For Seed Laser

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972.4nm DFB Laser Diode For Seed Laser

Product model

Parameter