Cold-Mirror Lamps for 8mm Projectors

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: Cold mirror coatings have been incorporated into reflector lamps (or use in the home 8mm motion-picture projector. Light output shows little or no loss, whereas the total energy absorbed by the film has been reduced by 50% for some films. Methods for testing these lamps are shown. Problems of coating uniformity, visible light reflectance, infrared transmission, and color bias are discussed.
Publication Date: 1963-09-01
DOI: 10.5594/J07283
Link: https://doi.org/10.5594/J07283
Author(s): John O. Geissbuhler

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John O. Geissbuhler; Cold-Mirror Lamps for 8mm Projectors, Journal of the SMPTE ( Volume: 72, Issue: 9, September 1963); SMPTE, 1963. Available at https://doi.org/10.5594/J07283

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John O. Geissbuhler; Cold-Mirror Lamps for 8mm Projectors, Journal of the SMPTE ( Volume: 72, Issue: 9, September 1963); SMPTE, 1963. Available at https://doi.org/10.5594/J07283

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John O. Geissbuhler; Cold-Mirror Lamps for 8mm Projectors, Journal of the SMPTE ( Volume: 72, Issue: 9, September 1963); SMPTE, 1963. Available at https://doi.org/10.5594/J07283

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<span class="citation">John O. Geissbuhler; <cite>Cold-Mirror Lamps for 8mm Projectors</cite>, Journal of the SMPTE ( Volume: 72, Issue: 9, September 1963); SMPTE, 1963. Available at <a href="https://doi.org/10.5594/J07283" target="_blank" rel="noopener">https://doi.org/10.5594/J07283</a></span>

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John O. Geissbuhler; Cold-Mirror Lamps for 8mm Projectors, Journal of the SMPTE ( Volume: 72, Issue: 9, September 1963); SMPTE, 1963
doi: 10.5594/J07283
url: https://doi.org/10.5594/J07283

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John O. Geissbuhler; <cite id="bib-10-5594-j07283">Cold-Mirror Lamps for 8mm Projectors</cite>, Journal of the SMPTE ( Volume: 72, Issue: 9, September 1963); SMPTE, 1963
<span class="doi">10.5594/J07283</span>
</li>