Optical Low-Pass Filter for a Single-Vidicon Color Television Camera

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: An optical low-pass filter is indispensable for a single-vidicon color TV camera, in which a color-encoding dichroic filter is used, in order to eliminate the interference between luminance and chrominance signals. Properties of a rectangular-phase grating are described from the viewpoint of application of the color TV camera. The grating placed in the optical system acts as a one-dimensional optical low-pass filter, its optical transfer function (OTF) decreasing linearly as the frequency increases up to the cutoff frequency. The cutoff frequency and the dc level of the OTF are expressed as functions of grating parameters. The cutoff frequency is unaffected by varying the aperture stop of the optical system. It is shown that the trapezoidal-wave phase grating is also useful for the optical low-pass filter.
Publication Date: 1972-04-01
DOI: 10.5594/J08273
Link: https://doi.org/10.5594/J08273
Author(s): Masayuki Mino, Yukio Okano

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Masayuki Mino and Yukio Okano; Optical Low-Pass Filter for a Single-Vidicon Color Television Camera, Journal of the SMPTE ( Volume: 81, Issue: 4, April 1972); SMPTE, 1972. Available at https://doi.org/10.5594/J08273

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Masayuki Mino and Yukio Okano; Optical Low-Pass Filter for a Single-Vidicon Color Television Camera, Journal of the SMPTE ( Volume: 81, Issue: 4, April 1972); SMPTE, 1972. Available at https://doi.org/10.5594/J08273

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<span class="citation">Masayuki Mino and Yukio Okano; <cite>Optical Low-Pass Filter for a Single-Vidicon Color Television Camera</cite>, Journal of the SMPTE ( Volume: 81, Issue: 4, April 1972); SMPTE, 1972. Available at <a href="https://doi.org/10.5594/J08273" target="_blank" rel="noopener">https://doi.org/10.5594/J08273</a></span>

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Masayuki Mino and Yukio Okano; Optical Low-Pass Filter for a Single-Vidicon Color Television Camera, Journal of the SMPTE ( Volume: 81, Issue: 4, April 1972); SMPTE, 1972
doi: 10.5594/J08273
url: https://doi.org/10.5594/J08273

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<li>
Masayuki Mino and Yukio Okano; <cite id="bib-10-5594-j08273">Optical Low-Pass Filter for a Single-Vidicon Color Television Camera</cite>, Journal of the SMPTE ( Volume: 81, Issue: 4, April 1972); SMPTE, 1972
<span class="doi">10.5594/J08273</span>
</li>