1398nm DFB Laser diode for H2O Sensing（TO39 Package）

The PL-DFB-1398-A-A81 1398nm 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
1398nm DFB SM Laser diode（TO39） [PDF] [RFQ]	PL-DFB-1398-A-A81-TO39 Stock NO.: A80011070	Centre Wavelength 1398nm, Output power 15 mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, TO39	Central wavelength: 1398nm Output power: 15mW Package: TO-39 Lead Time: 4-6 weeks	[Please inquire] Call us

Name

Model

Description

Parameter

Price

1398nm DFB SM Laser diode（TO39） [PDF] [RFQ]

PL-DFB-1398-A-A81-TO39
Stock NO.: A80011070

Centre Wavelength 1398nm, Output power 15 mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, TO39

Central wavelength: 1398nm

Output power: 15mW

Package: TO-39

Lead Time: 4-6 weeks

[Please inquire]

Call us

Parameter

Features

● Narrow Linewidth < 2MHz

● Excellent wavelength control and stability

● Industry Standard TO39 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	1397.5	1398.0	1398.5	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	15	20	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

Spectrum

L-I Curve

DFB Linewidth Testing Result

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Wavelength Stability

Mode hope tuning Range

Beam Quality

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Camera Analysis

Dimensions and Pin definitions

Unite（mm）

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

H₂O

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Application

● Tunable diode laser absorption spectroscopy

● H₂O Monitoring

Ordering Info

PL-DFB-□□□□-☆-A8▽-TO39

□□□□：Wavelength

1398: 1398nm

*****

1653.7: 1653.7nm

☆ ：Output Power

A：15mW

B：30mW

▽：Wavelength Tolerance

1：±1nm

2：±2nm

1398nm DFB Laser diode for H2O Sensing（TO39 Package）

Product model

Parameter

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