helium-neon laser

(redirected from He-Ne laser)

helium-neon laser

[′hē·lē·əm ¦nē‚än ′lā·zər]
(optics)
An atomic gas laser in which a combination of helium and neon gases is used.
References in periodicals archive ?
System for calibration of the frequency stabilized He-Ne laser, Optica Applicata, Vol.
Localized fluid flow measurements with an He-Ne laser spectrometer, Applied Physics Letters 4: 176-178.
2009], others compared different wavelengths or lasers (diode laser 650nm-830nm versus He-Ne laser 632nm) [Bensadoun et al.
For example, the frequency of a 633 nm He-Ne laser will always lay within a known range of 2.
A He-Ne laser particle counter (with 1 cfm sampling flow rate) connected a manifold with 14 sampling point with 1 cfm sampling flow rate were used to measure the particle concentration in the measuring points.
Since no reports have been published on the effect of a low-level He-Ne laser with a wavelength of 632.
Recent studies into effects of low-intensity non-thermal light irradiation on eukaryotic and prokaryotic cells, both pulsed and continuous, have reported the accelerated proliferation rate in yeast and mammalian cells upon irradiation by He-Ne laser light [6,7] and increased E.
This has a particularly long coherence length, unlike most cheap laser diodes, although the data reported herein used a more expensive He-Ne laser.
A He-Ne laser beam focused down to spot, performs circular scanning by a rotating wedge prism of the sample measurement volume.