Transmission-type diffraction grating has 23,000 microscopic grooves per inch (lengthwise) breaking up white light into all the colors of the spectrum. Film is 0.002" thick. Dispersion of the light is 36. Roll material is 6" wide overall; 6" x 6" effective area; a break or space every 6" on the roll laterally.

$8.95

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encapsulated high output solar cells

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