DFB

The PL-DFB-935-B-A81 935nm 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

935nm DFB PM Laser diode

PL-DFB-935-B-A81-PA

Central wavelength 935nm, Output power 40mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM980 Fiber, FC/APC

Central wavelength: 935nm

Output power: 40mW

Package: 14pin - BF

935nm DFB SM Laser diode

PL-DFB-935-B-A81-SA

Central wavelength 935nm, Output power 40mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, HI1060, FC/APC

Central wavelength: 935nm

Output power: 40mW

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	934	935	936	nm
Side Mode Suppression Ratio	SMSR	30	40		dB
Threshold Current	Ith		20	30	mA
Operating Current	Iop		250	300	mA
Chip output Power	Pf		40	50	mW
Quantum Efficiency	η	0.08	0.15	0.2	mW/mA
Current Tuning Coefficient	∆λ/∆I		0.005		nm/mA
Temperature Tuning Coefficient	∆λ/∆T		0.09		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

935.2.png

DFB Linewidth Testing Result

3F}3~5GMTW8F9$)8_GB@VSG.png

L-I Curve

935.1.png

Beam Quality
935.4.jpeg

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	120	150
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: 20-30mW

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

972.4nm DFB Laser Diode For Seed Laser 895nm DFB Laser Diode For Seed Laser

목록 글쓰기

935nm DFB Laser Diode For Seed Laser

Product model

Parameter