Photonics Industries’ Lasers Aid in COVID Fight at NIH

The NIH is currently employing a Photonics Industries’ DM20-527 laser to visualize the size of microscopic “speech droplets” that were postulated to be one of transmission mechanisms responsible for the community spread of COVID-19.

A light sheet of green light is created to illuminate the plume of speech droplets generated when people speak. The green light sheet enables the size of the speech droplets to be accurately measured and data logged.
Prior results using a CW laser were presented to New England Journal of Medicine, which facilitated the recent decision by the CDC to revise their guidelines regarding face masks!

The findings were that N95 masks are not required to create a barrier to speech droplets. As such, for the general population, any face covering is adequate to stop these speech droplets – reserving the use of N95 masks for front line medical workers.

About NIH
The National Institutes of Health (NIH) is one of the world’s foremost medical research centers. An agency of the U.S. Department of Health and Human Services, it includes 27 Institutes and Centers. NIH is the primary federal agency conducting and supporting basic, clinical, and translational medical research, and is investigating the causes, treatments, and cures for both common and rare diseases. For more information about NIH and its programs, visit

About Photonics Industries
Founded in 1993, Photonics Industries is the pioneer of intracavity harmonic lasers. With 24 issued patents and multiple pending patents, Photonics Industries is at the forefront of developing, manufacturing and marketing a wide range of nansecond, sub-nanosecond and picosecond lasers for industrial and scientific industries.

Today, Photonics Industries is one of the largest solid state laser manufacturers in the world, with its headquarters and state of the art manufacturing facility located in Long Island, NY. Photonics Industries also has facilities located in Korea, Japan, Taiwan and China. Its volume manufacturing capabilities for some of its product lines are unmatched within the industry.

Each of these products has its patented and/or proprietary uniqueness from the competition which result in simpler designs, improved reliability, reduced cost of ownership, and better performance

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