1270nm DFB Laser diode for HF Sensing

The PL-DFB-1270-A-A81-SA 1270nm 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
1270nm DFB SM Laser diode [PDF] [RFQ]	PL-DFB-1270-A-A81-SA-14BF Stock NO.: A80012105	output power 10mW,Narrow Linewidth < 2MHz, Tolerance ±1nm,SMF-28E,FC/APC	Central wavelength: 1270nm Output power: 10mW Package: 14pin - BF Lead Time: in stock	[Please inquire] Call us
1270nm DFB PM Laser diode [PDF] [RFQ]	PL-DFB-1270-A-A81-PA-14BF Stock NO.: A80012106	output power 10 mW,Narrow Linewidth < 2MHz, Tolerance ±1nm, PM Fiber, FC/APC	Central wavelength: 1270nm Output power: 10mW Package: 14pin - BF Lead Time: in stock	[Please inquire] Call us

Name

Model

Description

Parameter

Price

1270nm DFB SM Laser diode [PDF] [RFQ]

PL-DFB-1270-A-A81-SA-14BF
Stock NO.: A80012105

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

Central wavelength: 1270nm

Output power: 10mW

Package: 14pin - BF

Lead Time: in stock

[Please inquire]

Call us

1270nm DFB PM Laser diode [PDF] [RFQ]

PL-DFB-1270-A-A81-PA-14BF
Stock NO.: A80012106

output power 10 mW,Narrow Linewidth < 2MHz, Tolerance ±1nm, PM Fiber, FC/APC

Central wavelength: 1270nm

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

Tsub=25°C, CW bias unless stated otherwise

Parameter	Symbol	Min	Typ	Max	Unit
Centre Wavelength	λ	1269.5	1270.0	1270.5	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

L-I Curve

E]W7.png

Tuning characteristics

7~HF{N~]SGGI)7XFQBMK1GO.png

DFB Linewidth Testing Result

PT Linewidth.jpg

Central Wavelength

Wavelength Stability

Beam Quality

D)XRNI6(B736%L%HB68S3.jpg

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Package Size

Pin definition

Schematic Diagram (Top View)

Pin Connection

PIN#	Function	PIN#	Function
1	Thermistor	8	Case Ground
2	Thermistor	9	Case Ground
3	LD(-)	10	NC
4	Detector (+)	11	LD(+)
5	Detector (-)	12	LD (–), RF
6	TEC (+)	13	LD (+)
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

● HF Monitoring

Ordering Info

PL-DFB-□□□□-☆-A▽-xx

□□□□：Wavelength

1270：1270nm

1532:1532nm

1392:1392nm

1512:1512nm

1567:1567nm

*****

1653.7：1653.7nm

☆ ：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

1270nm DFB Laser diode for HF Sensing

Product model

Parameter

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