1495nm DFB Tunable Laser Diode

The PL-DFB-1495-A-A81 1495nm 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
1495nm DFB PM Laser diode [PDF] [RFQ]	PL-DFB-1495-B-A81-PA (Stock NO. Not entered)	Central wavelength 1495nm, Output power 40mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM Fiber, FC/APC	Central wavelength: 1495nm Output power: 40mW Package: 14pin - BF Lead Time: in stock	[Please inquire] Call us
1495nm DFB SM Laser diode [PDF] [RFQ]	PL-DFB-1495-A-A81-SA (Stock NO. Not entered)	Central wavelength 1495nm, Output power 40mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, SMF-28E, FC/APC	Central wavelength: 1495nm Output power: 40mW Package: 14pin - BF Lead Time: in stock	[Please inquire] Call us

Name

Model

Description

Parameter

Price

1495nm DFB PM Laser diode [PDF] [RFQ]

PL-DFB-1495-B-A81-PA
(Stock NO. Not entered)

Central wavelength 1495nm, Output power 40mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM Fiber, FC/APC

Central wavelength: 1495nm

Output power: 40mW

Package: 14pin - BF

Lead Time: in stock

[Please inquire]

Call us

1495nm DFB SM Laser diode [PDF] [RFQ]

PL-DFB-1495-A-A81-SA
(Stock NO. Not entered)

Central wavelength 1495nm, Output power 40mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, SMF-28E, FC/APC

Central wavelength: 1495nm

Output power: 40mW

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

Electrical/Optical Characteristics (Tsub=25°C, CW bias unless stated otherwise)

Parameter	Symbol	Min	Typ	Max	Unit
Centre Wavelength	λ	1494.5	1495	1495.5	nm
Side Mode Suppression Ratio	SMSR	30	40		dB
Threshold Current	Ith		35	50	mA
Operating Current	Iop		250	300	mA
Chip output Power	Pf	25	35	45	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

1495.1.png

Wavelength Tunability

1495.2.png

Linewidth Measurement（CW,166.985 kHZ@25deg,150mA)

1495.3.png

Beam Quality Profiler (2D/3D)

D)XRNI6(B736%L%HB68S3.jpg

ZUYY5)4Z332N5V9_ZJ`JF.png

Polarization Extinction Ratio Test

1495.4.png

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	250	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

1341: 1341nm

1392: 1392nm

1469: 1469nm

1512: 1512nm

1567: 1567nm

*****

1487.6: 1487.6nm

☆ ：Output Power

A：25mW

B：40mW

▽：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

1495nm DFB Tunable Laser Diode

Product model

Parameter

Related