{"id":59633,"date":"2025-12-11T16:11:57","date_gmt":"2025-12-11T16:11:57","guid":{"rendered":"https:\/\/photonics.laser2000.co.uk\/?post_type=product&#038;p=59633"},"modified":"2025-12-17T14:36:12","modified_gmt":"2025-12-17T14:36:12","slug":"liquid-crystal-optical-shutter","status":"publish","type":"product","link":"https:\/\/stagingphotonics.laser2000.co.uk\/?product=liquid-crystal-optical-shutter","title":{"rendered":"Liquid Crystal Optical Shutter"},"content":{"rendered":"<p>A liquid crystal shutter is a vibration-free alternative to a mechanical shutter that is especially convenient for use with polarized light beams.<\/p>\n<p>Laser 2000 offers Twisted Nematic (TN) and Ferroelectric optical shutters.<\/p>\n<p>Please refer to our Liquid crystal selection guide in the Downloads section.<\/p>\n<p><span style=\"text-decoration: underline\">Twisted Nematic High Contrast Shutter (LCS)<\/span><\/p>\n<p>The TN liquid crystal switches between a state that rotates the input polarization by 90\u00b0 with no voltage applied and a state that makes no change in the input polarization with 8 to 10 volts applied.<\/p>\n<p>The shutter is supplied with integral dichroic visible polarizers that function over the wavelength range of 450 nm to 700 to provide an average contrast ratio of better than 1,000:1 over this wavelength range. Shutters with larger aperture sizes and with wavelength coverage to 2.1 microns are available on a custom basis<\/p>\n<p><span style=\"text-decoration: underline\">Achromatic Ferroelectric (High Speed) LC Shutter (FCS)<\/span><\/p>\n<p>Meadowlark Optics\u2019 Achromatic Ferroelectric Polarization Rotator features high speed and exceptional polarization purity over broad wavelength ranges. FLC devices offer a significant performance advantage in optical shutter and rotator applications demanding the fastest optical response times available.<\/p>\n<p>This product needs to be used with the FC-010 controller.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A <strong>liquid crystal shutter<\/strong> is a vibration-free alternative to a mechanical shutter that is especially convenient for use with polarized light beams.\u00a0 Available as high speed or high contrast shutters.<\/p>\n","protected":false},"featured_media":59662,"template":"","meta":{"_acf_changed":false,"footnotes":""},"product_brand":[],"product_cat":[171],"product_tag":[],"class_list":{"0":"post-59633","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-liquid-crystal-devices-polarisation-phase-control","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.6 (Yoast SEO v27.7) - 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