1512nm High-Power SM DFB Laser (10mW, TO39 Package, NH3 Detection)

1512nm High-Power SM DFB Laser (10mW, TO39 Package, NH3 Detection)

With optimized optical characteristics, the 1512nm single-mode DFB laser is an ideal choice for high-demand sensor system applications. The innovative chip design suppresses high-order longitudinal and transverse modes while ensuring linear polarization stability. The laser offers high output power, narrow linewidth, and excellent consistency, making it highly favored by domestic research clients. Currently, we have 1512nm DFB lasers in stock for TDLAS oxygen detection, 795nm VCSELs for Rubidium atomic clock experiments, and 852nm VCSELs for Cesium atomic cooling.

Product features：Ultra-High Output Power、 Narrow Linewidth、 Internal TEC and Thermistor、 2nm TEC Adjustability

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Application area：TDLAS Oxygen Analysis and Detection、 Optical Coherence Experiment

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1512nm high power single mode DFB laser 20mW (TO39 package NH3 detection)

Main parameters
General Parameters
Optional Configurations
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Main parameters

Core parameters

Dimension Drawing

General Parameters

Descriptions

Parameter	Symbol	Min	Typical	Max	Unit	Remarks
Incident Wavelength	λ_R	1512	1512.5	1513	nm	T = 20°C, I_TEC = 0, P_OP= 35mw
Threshold Current	I_TH		40		mA	T = 20°C
Output Power	P_opt	10	20	30	mW	T = 0 … 50°C
Threshold Voltage	U_TH		1.80		V
Laser Current	I_OP			130	mA	P_opt = 35mw
Laser Voltage	U_OP		2.0		V	P_opt= 35mw
Electro-Optic Conversion Efficiency	η_WP		12		%	P_opt = 20mw
Slope Efficiency	η_S		0.74		W/A	T = 20°C
3dB Modulation Bandwidth	ν3dB		3		MHz	P_opt = 20mW (due to ESD protection diode)
Relative Intensity Noise	RIN		-130	-120	dB/Hz	P_opt = 0.3 mW @ 1 GHz
Wavelength Tuning Current			0.01		nm/mA
Wavelength Tuning Temperature			0.1		nm/deg
Thermal Resistance	R_thermal	3		5	K/mW
Side Mode Suppression		30			dB
Beam Divergence	θ	10		25	°	P_opt = 35mW, Full 1/e² Bandwidth
Spectral Bandwidth	Δν		3		MHz	P_opt= 35mw
TEC Current	I_TEC			1000	mA	Requires appropriate heatsink
NTC Thermistor Resistance		9.5	10.0	10.5	kΩ	T= 25°C
NTC Temperature Dependency		10/exp[3892 · (1/298K-1/TOP)]			kΩ

Absolute Maximum Ratings:

Storage Temperature	-40 … 125°C
Operating Temperature	-20 … 80°C
Power Dissipation	500mW
Forward Laser Current	130mA
Reverse Current	10mA
Soldering Temperature	270°C