Hari Venugopalan

Director of Global Product Management
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Hari Venugopalan is director of global product management at Crystal IS (Green Island, NY).

(Courtesy of Crystal IS)
FIGURE 1. Biofouling of a surface in a marine environment is a process that begins with the formation of a biofilm and eventually involves attachment of larger organisms.
July 11, 2016
Deep-ultraviolet LEDs emitting in the 250–280 nm range can help sense and prevent fouling of ships by biofilms.
Adapted from Hamamatsu Light Source, http://www.hamamatsu.com/resources/pdf/etd/LIGHT_SOURCE_TLSZ0001E01.pdf, Apr. 2014
FIGURE 1. Stability of light output for various traditional UV light sources.
Jan. 16, 2015
The traditional light sources used in UV spectroscopy can, for some uses, be replaced by LEDs, greatly reducing both capital and operating costs.