1742nm DFB Laser diode for HCl Gas Monitoring

The PL-DFB-1742-A-A81 1742nm 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
1742nm High Power DFB SM Laser diode [PDF] [RFQ]	PL-HP-DFB-1742-C-A81-SA (Stock NO. Not entered)	Central wavelength 1742nm, Output power 50mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, SMF-28E, FC/APC	Central wavelength: 1742nm Output power: 50mW Package: 14pin - BF Lead Time: 3-4 weeks	[Please inquire] Call us
1742nm High Power DFB PM Laser diode [PDF] [RFQ]	PL-HP-DFB-1742-C-A81-PA Stock NO.: A80012858	Central wavelength 1742nm, Output power 50mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM Fiber, FC/APC	Central wavelength: 1742nm Output power: 50mW Package: 14pin - BF Lead Time: in stock	[Please inquire] Call us
1742nm DFB PM Laser diode [PDF] [RFQ]	PL-DFB-1742-A-A81-PA Stock NO.: A80012416	Central wavelength 1742nm, Output power 7 mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM Fiber, FC/APC	Central wavelength: 1742nm Output power: 7mW Package: 14pin - BF Lead Time: 3-4 weeks	[Please inquire] Call us
1742nm DFB SM Laser diode [PDF] [RFQ]	PL-DFB-1742-A-A81-SA Stock NO.: A80012415	Central wavelength 1742nm, Output power 7 mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, SMF-28E, FC/APC	Central wavelength: 1742nm Output power: 7mW Package: 14pin - BF Lead Time: 3-4 weeks	[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	1741	1742	1743	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

DFB Linewidth Testing Result

PT Linewidth.jpg

L-I Curve

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Beam Quality

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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	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

HCl

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Application

● Tunable diode laser absorption spectroscopy

● HCl Monitoring

Ordering Info

PL-DFB-□□□□-☆-A8▽-XX

□□□□：Wavelength

1341:1341nm

1368:1368nm

1392:1392nm

1512:1512nm

1567:1567nm

*****

1653.7：1653.7nm

1742：1742nm

☆ ：Output Power

A：7mW

B：20mW

C：50mW

▽：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

1742nm DFB Laser diode for HCl Gas Monitoring

Product model

Parameter

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