1208nm DFB Tunable Laser Diode

The PL-DFB-1208-A-A81 1208nm 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
1208m DFB PM Laser diode [PDF] [RFQ]	PL-DFB-1208-A-A81-PA Stock NO.: A80012768	Central wavelength 1208nm, Output power 40mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM980 Fiber, FC/APC	Central wavelength: 1208nm Output power: 40mW Package: 14pin - BF Lead Time: 6-8 weeks	[Please inquire] Call us
1208m DFB SM Laser diode [PDF] [RFQ]	PL-DFB-1208-A-A81-SA Stock NO.: A80012092	Central wavelength 1208nm, Output power 40mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, HI1060, FC/APC	Central wavelength: 1208nm Output power: 40mW Package: 14pin - BF Lead Time: 6-8 weeks	[Please inquire] Call us

Name

Model

Description

Parameter

Price

1208m DFB PM Laser diode [PDF] [RFQ]

PL-DFB-1208-A-A81-PA
Stock NO.: A80012768

Central wavelength 1208nm, Output power 40mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM980 Fiber, FC/APC

Central wavelength: 1208nm

Output power: 40mW

Package: 14pin - BF

Lead Time: 6-8 weeks

[Please inquire]

Call us

1208m DFB SM Laser diode [PDF] [RFQ]

PL-DFB-1208-A-A81-SA
Stock NO.: A80012092

Central wavelength 1208nm, Output power 40mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, HI1060, FC/APC

Central wavelength: 1208nm

Output power: 40mW

Package: 14pin - BF

Lead Time: 6-8 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	1207.5	1208	1208.5	nm
Side Mode Suppression Ratio	SMSR	30	40		dB
Threshold Current	Ith		20	30	mA
Operating Current	Iop		200	300	mA
Chip output Power	Pf	20	30	50	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

Tuning Characteristics

1208.2.png

Linewidth Measurement（CW,323.619 kHZ@25deg,200mA)

1208.3.png

Polarization Extinction Ratio Test

1208.4.png

Beam Quality

D)XRNI6(B736%L%HB68S3.jpg

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Package Size

1976.5.png

Pin definition

1976.3.png

Pin Connection

PIN#	Function	PIN#	Function
1	TEC+	8	NC
2	Thermistor	9	NC
3	NC	10	LD+
4	NC	11	LD-
5	Thermistor	12	NC
6	NC	13	Case Ground
7	NC	14	TEC-

Absolute Maximum Ratings

Item	Unit	Min	Typ	Max
Case Temperature	℃	-5	25	70
Chip Temperature	℃	+10	25	40
Operating Current	mA	0	200	300
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

● Gas Monitoring

Ordering Info

PL-DFB- □□□□-☆-A8▽- XX

□□□□: Wavelength

1208: 1208nm

1532: 1532nm

1392: 1392nm

1512: 1512nm

1567: 1567nm

*****

1653.7: 1653.7nm

☆ : Output Power

A: 40mW

B: 70mW

▽: Wavelength Tolerance

1: ±1nm

2: ±2nm

XX: Fiber and Connector Type

SA=HI1060+ FC/APC

SP=HI1060+ FC/PC

PA=PM980 Fiber+ FC/APC

PP=PM980 Fiber+ FC/PC

1208nm DFB Tunable Laser Diode

Product model

Parameter

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