1640nm DFB Laser Diode For C2H6 Sensing

The PL-DFB-1640-A-A81 1640nm 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	Model	Description	Parameter	Price
1640nm DFB PM Laser diode [PDF] [RFQ]	PL-DFB-1640-A-A81-PA Stock NO.: A80012378	Central wavelength 1640nm, Output power 10 mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM Fiber, FC/APC	Central wavelength: 1640nm Output power: 10mW Package: 14pin - BF Lead Time: in stock	[Please inquire] Call us
1640nm DFB SM Laser diode [PDF] [RFQ]	PL-DFB-1640-A-A81-SA Stock NO.: A80012377	Central wavelength 1640nm, Output power 10 mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, SMF-28E, FC/APC	Central wavelength: 1640nm Output power: 10mW Package: 14pin - BF Lead Time: in stock	[Please inquire] Call us

Name

Model

Description

Parameter

Price

1640nm DFB PM Laser diode [PDF] [RFQ]

PL-DFB-1640-A-A81-PA
Stock NO.: A80012378

Central wavelength 1640nm, Output power 10 mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM Fiber, FC/APC

Central wavelength: 1640nm

Output power: 10mW

Package: 14pin - BF

Lead Time: in stock

[Please inquire]

Call us

1640nm DFB SM Laser diode [PDF] [RFQ]

PL-DFB-1640-A-A81-SA
Stock NO.: A80012377

Central wavelength 1640nm, Output power 10 mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, SMF-28E, FC/APC

Central wavelength: 1640nm

Output power: 10mW

Package: 14pin - BF

Lead Time: in stock

[Please inquire]

Call us

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	1639.5	1640.0	1640.5	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	10	15	30	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

QQ图片20200401175203.png

L-I Curve

Tuning characteristics

DFB Linewidth Testing Result

Wavelength Stability

1640nm 波长.png

Beam Quality Profiler (2D/3D)

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Camera Analysis

Package Size

Pin definition

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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 Voltage（LD）	V	-	-	2.0
Reverse Voltage(PD)	V	-	-	20

Application

● Tunable diode laser absorption spectroscopy

● C₂H₆Monitoring

Ordering Info

PL-DFB-□□□□-☆-A8▽- XX

□□□□: Wavelength

1392: 1392nm

1512: 1512nm

1567: 1567nm

1572: 1572nm

*****

1640: 1640nm

☆: Output Power

A: 10mW

B: 20mW

▽: 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

1640nm DFB Laser Diode For C2H6 Sensing

Product model

Parameter

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