MWIR 3.39 Laser


These lasers have been chosen for their remarkable long term stability, making them ideal for MWIR interferometric testing of anything from single lens elements or mirrors right up to complete focal and afocal lens objectives. The lasers are available with two output levels, >4mW and >8mW making their laser safety classification 3B.

3.39 laser HeNe
Specification 15R3 30R3
Wavelength (μm) 3.39 3.39
Typical output (mW) >4.0 >8.0
Output stability (25X) %/h ±5.0 ±5.0
Beam diameter mmφ (1/e2) 2.6 3.0
Beam divergence (mrad) 1.7 1.6
Linear polarisation(extinction ratio) 1000:1 1000:1
Cavity length (mm) 683 933
Transverse mode TEM00 TEM00
Longitudinal interval (MHz) 219 160
Number of longitudinal modes(reference data) 1 – 2 1 – 2
Gain width(reference data) 280 280
Safety classification 3B 3B
Dimension/weight (mm/kg)HeadPower supply 118x118x730/6.3120x270x300/5.7 118x118x980/6.6120x270x300/5.7
Electrical requirement/Power consumption 90V to 264VAC/100VA 50/60Hz 90V to 264VAC/130VA 50/60Hz


Other interferometer lasers include 1.15 um /1.52 um and 632 nm

For more information call Armstrong Optical (44 (0)1604 654220) or CLICK HERE.