SANTA ROSA, Calif. – Alluxa Inc. in Santa Rosa, Calif., is introducing the two electro-optical hydrogen alpha (H-alpha) emission line filters for astronomy applications. These filters are tailored to ...
NASA’s Nancy Grace Roman Space Telescope will be able to explore even more cosmic questions, thanks to a new near-infrared filter. The upgrade will allow the observatory to see longer wavelengths of ...
The filters on NASA’s Roman Space Telescope Coronagraph Instrument’s Color Filter Assembly each block all but a specific color, or wavelength, of light. Many of the filters appear dark in this photo ...
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