nLIGHT | High-Power Semiconductor Lasers and Fibers - Single Emitter Diode Laser Devices (v)

High-Power Solid-State Lasers

Products > Diodes > Single Emitter Diode Laser Devices

SINGLE EMITTER DIODE LASER DEVICES (VISIBLE)

Leveraging nXLT™ technology, nLIGHT’s visible single emitter diode laser devices span the wavelength region from 639 nm to 690 nm. The small emitting aperture of 150 µm, combined with low beam divergence, allows unparalleled brightness and reliability for a variety of applications with power levels ranging from 0.5 W to 1.5 W.

Our visible single emitter diode laser devices are available in c-mount and high-heat load (HHL) packages, and we offer a variety of lensing options to meet the specific needs of your application.

		C-0.75-0639	C-1.5-0665	C-1.5-0680	C-1.5-0690
Optical
Center wavelength	nm	639	665	680	690
CW output power	W	0.75	1.5	1.5	1.5
Center wave-length tolerance	nm	± 4	± 5	± 5	± 5
Emitter size	μm	150	150	150	150
Spectral width (FWHM)	nm	< 3	< 3	< 3	< 3
Slope efficiency	W / A	> 1	> 1	> 1	> 1
Polarization	TM or TE	TM	TE	TE	TE
Fast-axis divergence	Degrees	42°	43°	43°	43°
Slow-axis divergence	Degrees	10°	10°	10°	10°
Wavelength temperature coefficient¹	nm / °C	0.15	0.15	0.15	0.15
Electrical
Total conversion efficiency	%	20	25	25	25
Threshold current (I_TH)	mA	700	660	668	680
Operating current (I_OP)	mA	1500	1900	1900	1900
Operating voltage (V_OP)	V	2.2	2.08	2.08	2.08
Series resistance (R_S)	Ω	0.15	0.1	0.1	0.1
Mechanical
Lead soldering temperature (C-mount)	°C	150 (< 5 sec)	150 (< 5 sec)	150 (< 5 sec)	150 (< 5 sec)
Lead soldering temp. (HHL)	°C	250 (< 5 sec)	250 (< 5 sec)	250 (< 5 sec)	250 (< 5 sec)
Thermal
Thermal resistance²	°C / W	10	10	10	10
Operating tem-perature range (C-mount)³	°C	-20 to +30	-20 to +30	-20 to +30	-20 to +30
Operating tem-perature range (HHL)³	°C	-20 to +50	-20 to +50	-20 to +50	-20 to +50
Storage tem-perature range³	°C	-20 to +80	-20 to +80	-20 to +80	-20 to +80
Thermoelectric cooler (HHL only)
Drive current (Typical)	A	1.7	1.7	1.7	1.7
Drive voltage (Typical)	V	3.5	3.5	3.5	3.5
Thermistor re-sistance (25 °C)	kΩ	10	10	10	10
Monitor photodiode (HHL only)
Sensitivity	µA/mW	1 to 10	1 to 10	1 to 10	1 to 10
Capacitance	pF	6	6	6	6
Breakdown voltage	V	25	25	25	25
Operating voltage	V	10	10	10	10

¹	The wavelength temperature coefficient is the wavelength shift per °C change at the diode junction.
²	Thermal resistance is the diode junction temperature shift per incremental Watt of heat load.
³	A non-condensing environment is required for storage and operation below ambient dew point.

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