1550nm DFB Laser Diode

Techwin 1550nm DFB laser diode is designed for LiDAR applications, featuring single longitudinal mode and high power output. The laser is housed in a standard 14-PIN butterfly package with a standard polarization-maintaining (PM) fiber and FC/APC connector output, ensuring good compatibility. This series of products is widely used in LiDAR, fiber optic sensing, and other related fields.

Features

High Power
Single Longitudinal Mode
Polarization Maintaining Fiber Output
Standard 14-PIN Butterfly Package

Applications

LiDAR
Fiber Optic Sensing

Parameters

Parameters	Min	Typ	Max	Unit
Output Power.	10/40/80			mW
Center Wavelength		1550		nm
Lorentz Linewidth			200/500/1MHz	kHz
Side mode Suppression Ratio	30			dB
Operating Current			2	A
Operating Voltage			2.2	V
TEC Temperature Setting	15		40	C
TEC Current			2.5	A
TEC Voltage			4.8	V
Thermistor Resistance @ 25℃		10		kΩ
PD Operating Voltage		-5		V
PD Current			2	mA
Operating Temperature	-20		50	℃
Storage Temperature	-40		85	℃

Mechanical Dimensions and PIN Definition:

PIN	Description	PIN	Description
1	Rt	8	NA
2	Rt	9	NA
3	LD(-)	10	N.A.
4	PD(+)	11	LD(+)
5	PD(-)	12	N.A.
6	TEC(+)	13	N.A.
7	TEC(-)	14	N.A.

Techwin is known as an expert company in developing and manufacturing of fiber lasers, fiber amplifiers and fiber sources. We also strive to provide our customers with custom fiber laser solutions suited for your applications. All of our high-power fiber lasers and amplifiers are manufactured following a rigorous quality management system. We are more than happy to share our laser technology with worldwide customers, and committed to earn the ongoing trust of our customers with our industrial fiber lasers coupled with expert support and service in various industrial segments.