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Home > Á¦Ç°¼Ò°³ > MODULATOR (±¤º¯Á¶±â) > Optical chopper

Optical Chopper
  • 5°³ÀÇ ±³Ã¼ °¡´ÉÇÑ Chopping Discs Æ÷ÇÔ
  • Frequency Range: 5 Hz¿¡¼­ 20 kHz
  • Dual Frequency, Miniature¿Í Standard models ÀÌ¿ë °¡´É

    ³ôÀº ¾ÈÁ¤¼ºÀÇ º¯Á֯ļö optical chopper´Â 5°³ ¼¼Æ®ÀÇ È­ÇÐÀûÀ¸·Î °Ë°Ô photo-etchµÈ chopper µð½ºÅ©¸¦ Æ÷ÇÔÇÕ´Ï´Ù. Mini chopper´Â ¼ÒÇü ÆÐŰÁö°¡ ÇÊ¿äÇÑ ¾îÇø®ÄÉÀ̼ǿ¡ ¸Å¿ì ÀûÇÕÇÑ ¼±ÅÃÀÔ´Ï´Ù. ÇϳªÀÇ chopper frequency signal º¸´Ù ´õ ¸¹ÀÌ ÇÊ¿äÇÑ Set-upsÀº dual frequency chopper ¹öÀüÀ» °í·ÁÇØ¾ßÇÕ´Ï´Ù. Chopping discs´Â ´Ù¾çÇÑ slot aperture·Î Á¦°øµÇ¸ç ÀÛµ¿À» °¡´ÉÇÏ°Ô ÇÕ´Ï´Ù. BeamÀÇ Á÷°æÀº 200-slot disc¿¡¼­ 0.75mm, 40 slot mini disc¿¡¼­´Â 1.0mm·Î Á¦Çѵ˴ϴÙ. ±³Ã¼°¡ ½¬¿î blade´Â non-magnetic, half hard brass·Î Á¦À۵Ǹç ÄÞºñ³×À̼ÇÀ¸·Î »ç¿ëµÉ ¼ö ÀÖ½À´Ï´Ù. Chopping frequency´Â ten-turn dialÀ» ¸ÂÃß°í external DC voltage¸¦ BNC inputÀ¸·Î ¿¬°áÇØ¼­ ¼³Á¤µË´Ï´Ù. Reference outputÀº TTL pulseÀ̰í chopping ¿òÁ÷ÀÓ°ú in-phase ÀÔ´Ï´Ù. ´Ù¼¸ ÀÚ¸®ÀÇ LED Ç¥±â´Â chopping Á֯ļöÀÇ Á÷Á¢ÀûÀÎ °ªÀ» ÁÝ´Ï´Ù



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