Mid & Far-Infrared (MWIR/LWIR) · CW, Pulsed · Datasheets & quote request

3640 nm Mid & Far-Infrared (MWIR/LWIR) Lasers

The 3640 nm emission line operates in the Mid & Far-Infrared (MWIR/LWIR) region of the optical spectrum. Our portfolio includes configurations across CW Lasers, Pulsed Lasers, supporting CW, Pulsed operation. Compare power levels, linewidth, stability, and package dimensions below.

2 models1 seriesquote after qualification

Key applications

Mid-IR molecular gas spectroscopy (CO, CO₂, CH₄, H₂O)
Tissue ablation and medical laser surgery (2.94 µm water peak)
Polymer processing and precision laser cutting
Thermal imaging calibration and non-destructive testing
Optical countermeasures and defense sensing

Other Mid & Far-Infrared (MWIR/LWIR) lines in catalog (47)

Explore all 400+ wavelengths →

2600 nm 2700 nm 2796 nm 2800 nm 2830 nm 2910 nm 2921 nm 2940 nm 3000 nm 3100 nm 3200 nm 3300 nm 3349 nm 3390 nm 3400 nm 3440 nm 3600 nm 3700 nm 3800 nm 3900 nm 3967 nm 4000 nm 4100 nm 4200 nm

Popular benchmark wavelengths

266 nm 355 nm 405 nm 450 nm 488 nm 515 nm 520 nm 532 nm 561 nm 589 nm 633 nm 640 nm

2 models · 1 series

3640 NM MID Infrared Laser, Solid State Laser, IR Laser |

2 models

Model	Wavelength	Output / average power	Power stability (rms, 4 hours±3℃)	Beam divergence, full angle (mrad)	Beam diameter at the aperture (1/e2,mm)	Cooled method	Operating temperature (℃)	Power supply (100-240VAC)	Expected lifetime (hours)	Ave power stability (rms, 4 hours±3℃)	Warm-up time (minutes)
TUN-V-2916~3918	3640 nm	1~100 mW	<5%, <3%	<5	<6	Air Cooled	15-35	RAD1PS	>10000	–	–	Datasheet
MIL-PS-3640	3640 nm	1~1000 mW	–	–	–	Waterr cooled	15-30	RAD1PS	>10000	<3%, <2%, <1%	<10	Datasheet

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