2 suppliers

Light Pens

A light pen is a handheld, light-sensitive device that is used with a display console to directly change, measure or erase the visual information presented.

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CoolLED Ltd. - Andover, United Kingdom

CoolLED designs and manufactures LED illumination systems for researchers and clinicians. Range of LED wavelengths; single wavelength stand-alone sources to multiwavelength automated systems and LED illumination for Fura-2 ratiometric calcium imaging available. Systems are intense, stable, controllable, fast-switching, and cost-effective.

American Ultraviolet Co. - Lebanon, IN

Glossary

light pen A handheld, light-sensitive device that is used with a display console to directly change, measure or erase the visual information presented. Interfaced with the computer that is generating the display, the pen is held up to the area of the display...
laser pointer Handheld optical laser device containing a semiconductor or DPSS source. The output is corrected via internal collimating optics. For typical use the output is reduced to eyesafe operation power. (5 mW)
LED

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