LumiBright 3300B UV-LED illuminators from Innovations in Optics (Woburn, MA) have uses in medical Digital Light Processing (DLP) applications such as phototherapy and refractive surgery, including treatment for skin lesions in dermatology and for corneal disorders via collagen cross-linking in ophthalmology. The illuminators comprise a densely packed UV-LED array coupled to a high-efficiency, non-imaging collection optic with an aspect ratio matched to DLP chips. Its integral imaging optic is telecentric over the entire DLP chip and is constrained in angle to match the micromirror tilt angle. Water cooling allows the UV-LED array to be operated at a very high current density. Standard center wavelengths include 365, 385, 395, and 405 nm, and single- or dual-wavelength configurations are available.
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