1653.7nm DFB Laser diode for CH4 Sensing（TO39 Package）

The PL-DFB-1653.7-A-A81 1653.7nm 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 TO39 package with TEC and PD Built in.

Name	Model	Description	Parameter	Price
1653.7nm DFB Laser diode [PDF] [RFQ]	PL-DFB-1653.7-B-A81-TO39 Stock NO.: A80011250	Centre Wavelength 1653.7nm, Output power 10 mW, Tolerance ±1nm	Central wavelength: 1653.7nm Output power: 10mW Package: TO-39 Lead Time: in stock	[Please inquire] Call us
1653.7nm DFB Laser diode [PDF] [RFQ]	PL-DFB-1653.7-B-A82-TO39 Stock NO.: A80011252	Centre Wavelength 1653.7nm, Output power 10 mW, Tolerance ±2nm	Central wavelength: 1653.7nm Output power: 10mW Package: TO-39 Lead Time: in stock	[Please inquire] Call us

Name

Model

Description

Parameter

Price

1653.7nm DFB Laser diode [PDF] [RFQ]

PL-DFB-1653.7-B-A81-TO39
Stock NO.: A80011250

Centre Wavelength 1653.7nm, Output power 10 mW, Tolerance ±1nm

Central wavelength: 1653.7nm

Output power: 10mW

Package: TO-39

Lead Time: in stock

[Please inquire]

Call us

1653.7nm DFB Laser diode [PDF] [RFQ]

PL-DFB-1653.7-B-A82-TO39
Stock NO.: A80011252

Centre Wavelength 1653.7nm, Output power 10 mW, Tolerance ±2nm

Central wavelength: 1653.7nm

Output power: 10mW

Package: TO-39

Lead Time: in stock

[Please inquire]

Call us

Parameter

Features

● Narrow Linewidth < 2MHz

● Industry Standard 14 pin Butterfly package

● Mode-Hop free tuning

● Excellent 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	1653.2	1653.7	1654.2	nm
Side Mode Suppression Ratio	SMSR	30	40		dB
Threshold Current	Ith		20	30	mA
Operating Current	Iop		80	150	mA
Chip output Power	Pf	3	5	10	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
Collimation Lense	Yes

Spectrum

L-I Curve

1653.7.png

Tuning Characteristics

DFB Linewidth Testing Result

PT Linewidth.jpg

Mode hope tuning Range

Beam Quality

D)XRNI6(B736%L%HB68S3.jpg

ZUYY5)4Z332N5V9_ZJ`JF.png

Camera Analysis

Dimensions and Pin definitions

Uinte（mm）

DFB TO39 Bottom View333.png

Absolute Maximum Ratings

Item	Unit	Min	Typ	Max
Case Temperature	℃	-5	25	70
Chip Temperature	℃	+10	25	40
Operating Current	mA	0	100	120
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

CH4

Application

● Tunable diode laser absorption spectroscopy

● CH₄ Monitoring

Ordering Info

PL-DFB-□□□□-☆-A8▽-TO39

□□□□：Wavelength

1512:1512nm

*****

1653.7：1653.7nm

☆ ：Output Power

A：10mW

B：20mW

▽：Wavelength Tolerance

1：±1nm

2：±2nm

1653.7nm DFB Laser diode for CH4 Sensing（TO39 Package）

Product model

Parameter

Related