{"id":282,"date":"2025-03-06T18:27:43","date_gmt":"2025-03-06T10:27:43","guid":{"rendered":"https:\/\/www.bihec.com\/bvo-polarizer\/?p=282"},"modified":"2025-03-06T18:27:43","modified_gmt":"2025-03-06T10:27:43","slug":"bvo-tn%e5%81%8f%e6%8c%af%e6%97%8b%e8%bd%ac%e5%99%a8%e3%80%81%e6%89%ad%e6%9b%b2%e5%90%91%e5%88%97tn%e6%b6%b2%e6%99%b6%e3%80%81bvo%e6%b6%b2%e6%99%b6%e5%81%8f%e6%8c%af%e6%97%8b%e8%bd%ac%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/bvo-polarizer\/bvo-tn%e5%81%8f%e6%8c%af%e6%97%8b%e8%bd%ac%e5%99%a8%e3%80%81%e6%89%ad%e6%9b%b2%e5%90%91%e5%88%97tn%e6%b6%b2%e6%99%b6%e3%80%81bvo%e6%b6%b2%e6%99%b6%e5%81%8f%e6%8c%af%e6%97%8b%e8%bd%ac%e5%99%a8\/","title":{"rendered":"BVO TN\u504f\u632f\u65cb\u8f6c\u5668\u3001\u626d\u66f2\u5411\u5217TN\u6db2\u6676\u3001BVO\u6db2\u6676\u504f\u632f\u65cb\u8f6c\u5668"},"content":{"rendered":"<div class=\"module_column tb-column col4-2 first tb_1526_column module_column_0 module_column_1526-1-0 tb_khij201\">\n<div class=\"tb-column-inner\">\n<div class=\"module module-text tb_7n74201    \">\n<div class=\"tb_text_wrap\">\n<p><strong>TN\u504f\u632f\u65cb\u8f6c\u5668<\/strong><br \/>\n\u626d\u66f2\u5411\u5217\uff08Twisted Nematic\uff0cTN\uff09\u6db2\u6676\u662f\u663e\u793a\u884c\u4e1a\u4e2d\u6700\u5e38\u7528\u7684\u6db2\u6676\u7c7b\u578b\u3002TN\u76d2\u672c\u8d28\u4e0a\u662f90\u00b0\u6db2\u6676\u504f\u632f\u65cb\u8f6c\u5668\u3002\u5f53\u7ebf\u6027\u504f\u632f\u5149\u8fdb\u5165\u6db2\u6676\u76d2\u65f6\uff0c\u5b83\u4f1a\u6cbf\u7740\u4ece\u524d\u73bb\u7483\u57fa\u677f\u5230\u540e\u57fa\u677f\u5f62\u6210\u7684\u6db2\u6676\u87ba\u65cb\u7ed3\u6784\u65cb\u8f6c\u3002TN\u76d2\u53ef\u4ee5\u5236\u4f5c\u4e3a\u5e38\u9ed1\u6a21\u5f0f\u6216\u5e38\u767d\u6a21\u5f0f\u3002<\/p>\n<ul>\n<li><strong>\u5e38\u9ed1\u6a21\u5f0f<\/strong>\uff1a\u5728\u65e0\u7535\u538b\u65bd\u52a0\u65f6\u5904\u4e8e\u6697\u6001\uff0c\u504f\u632f\u5668\u5e73\u884c\u5b89\u88c5\u5728\u57fa\u677f\u5916\u4fa7\u3002\u968f\u7740\u7535\u538b\u7684\u65bd\u52a0\uff0c\u900f\u5149\u7387\u968f\u7535\u538b\u589e\u52a0\u800c\u589e\u52a0\u3002<\/li>\n<li><strong>\u5e38\u767d\u6a21\u5f0f<\/strong>\uff1a\u5728\u65e0\u7535\u538b\u65bd\u52a0\u65f6\u5904\u4e8e\u6700\u5927\u900f\u5149\u72b6\u6001\uff0c\u504f\u632f\u5668\u6b63\u4ea4\u5b89\u88c5\u5728\u73bb\u7483\u57fa\u677f\u4e0a\u3002\u968f\u7740\u7535\u538b\u7684\u589e\u52a0\uff0c\u5149\u88ab\u8870\u51cf\u3002\u8fd9\u79cd\u6a21\u5f0f\u7531\u4e8e\u5229\u7528\u4e86\u4ea4\u53c9\u504f\u632f\u5668\u914d\u7f6e\uff0c\u80fd\u591f\u5b9e\u73b0\u66f4\u9ad8\u7684\u5bf9\u6bd4\u5ea6\u3002<\/li>\n<\/ul>\n<p><strong>TN\u7684\u4f18\u52bf<\/strong>\u5305\u62ec\u4f4e\u7535\u538b\u9700\u6c42\u4ee5\u53ca\u5728\u5bbd\u6ce2\u957f\u8303\u56f4\u5185\u7684\u64cd\u4f5c\u80fd\u529b\u3002TN\u76d2\u53ef\u4ee5\u4f7f\u7528\u8584\u73bb\u7483\u5927\u89c4\u6a21\u5747\u5300\u5236\u9020\u3002\u5982\u679c\u9700\u8981\u4f4e\u900f\u5c04\u6ce2\u524d\u5931\u771f\uff0c\u53ef\u4ee5\u4f7f\u7528\u629b\u5149\u73bb\u7483\u57fa\u677f\u5236\u9020\u7cbe\u5bc6\u6db2\u6676\u76d2\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"module_column tb-column col4-2 last tb_1526_column module_column_1 module_column_1526-1-1 tb_c9xe202\">\n<div class=\"tb-column-inner\">\n<div class=\"module module-image tb_0iq9202  image-top  \">\n<div class=\"image-wrap\"><a class=\"lightbox-builder themify_lightbox\" href=\"https:\/\/boldervision.com\/wp-content\/uploads\/2020\/06\/01-TN.gif\" data-zoom-config=\"90%|88%\"><img loading=\"lazy\" class=\" wp-post-image wp-image-3291\" style=\"height: 292px;max-width: 100%;margin: 0px;padding: 0px;border: 0px;vertical-align: top\" src=\"https:\/\/boldervision.com\/wp-content\/uploads\/2020\/06\/01-TN.gif\" alt=\"&lt;p style=&quot;color: white; background-color: rgba(0, 0, 0, 1.0); border: 2px solid #f88d2b; padding: 15px 15px 15px 15px&quot;&gt;Twisted Nematics (TN) liquid crystal molecule diagram&lt;\/p&gt;\" width=\"545\" height=\"643\" \/><\/a><\/div>\n<div>\n<div class=\"module module-plain-text tb_b4t1893  \">\n<div class=\"tb_text_wrap\">\n<h3>PRECISION TWISTED NEMATIC (TN) LC DEVICES<br \/>\nBVO DEVELOPMENTAL LIQUID CRYSTAL LAB<\/h3>\n<\/div>\n<\/div>\n<div class=\"module module-plain-text tb_vpmp893  \">\n<div class=\"tb_text_wrap\">\n<table>\n<tbody>\n<tr>\n<td>Glass<\/td>\n<td>Eagle XG Display Glass or Polished Fused Silica<\/td>\n<\/tr>\n<tr>\n<td>Thickness<\/td>\n<td>1-2mm thick: Thin devices made with standard display glass<br \/>\n6-8mm thick: Low wavefront distortion devices made with fused silica<\/td>\n<\/tr>\n<tr>\n<td>Outer Dimensions<\/td>\n<td>Maximum Size \u2013 90mm | Minimum size \u2013 12mm<\/td>\n<\/tr>\n<tr>\n<td>Clear Aperture (CA)<\/td>\n<td>2mm internal gasket &amp; 2mm landing<\/td>\n<\/tr>\n<tr>\n<td>Buffing<\/td>\n<td>90\u02da orthogonal<\/td>\n<\/tr>\n<tr>\n<td>Transmitted Wavefront Distortion<\/td>\n<td>Polished glass devices: .25 waves over clear aperture<\/td>\n<\/tr>\n<tr>\n<td>BBAR Coatings<\/td>\n<td>Optional coatings<\/td>\n<\/tr>\n<tr>\n<td>Contrast Ratio<\/td>\n<td>1000:1<\/td>\n<\/tr>\n<tr>\n<td>Switching Speed<\/td>\n<td>1 Milli Second (Rise Time) \/ 15 Milli Seconds (Fall Time) , Typical<\/td>\n<\/tr>\n<tr>\n<td>Bandwidth<\/td>\n<td>Visible or Near infrared<\/td>\n<\/tr>\n<tr>\n<td>Temperature Range<\/td>\n<td>10\u02da C to 60\u02da C<\/td>\n<\/tr>\n<tr>\n<td>Damage Threshold<\/td>\n<td>500 Watts\/cm<sup>2<\/sup>\u00a0CW<br \/>\n.5 Joules\/cm<sup>2<\/sup>\u00a010nsec pulses @ 1064nm typical<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"module module-text tb_mj5o855    \">\n<div class=\"tb_text_wrap\">\n<h3>TN\u8bbe\u5907\u5e94\u7528<\/h3>\n<\/div>\n<\/div>\n<div class=\"themify_builder_sub_row module_subrow clearfix sub_row_2-0-1 tb_63ca855\">\n<div class=\"subrow_inner col_align_top\">\n<div class=\"sub_column module_column col3-1 first sub_column_post_1526 sub_column_2-0-1-0 tb_dhlk855 repeat\">\n<div class=\"tb-column-inner\">\n<div class=\"module module-image tb_n4tr856  image-top  \">\n<div class=\"image-wrap\"><a class=\"lightbox-builder themify_lightbox\" href=\"https:\/\/boldervision.com\/wp-content\/uploads\/2020\/06\/Pi-cell-modulator.jpg\" data-zoom-config=\"50%|56%\"><img class=\" wp-post-image wp-image-3437\" style=\"height: auto;max-width: 100%;margin: 0px;padding: 0px;border: 0px;vertical-align: top\" title=\"Polarization Rotators\" src=\"https:\/\/boldervision.com\/wp-content\/uploads\/2020\/06\/Pi-cell-modulator-360x200.jpg\" alt=\"&lt;p style=&quot;color: white; background-color: rgba(0, 0, 0, 1.0); border: 2px solid #f88d2b; padding: 15px 15px 15px 15px&quot;&gt;Twisted nematic (TN) polarization rotators. 90\u02da plane rotation with zero volts, 0\u02da rotation with max voltage. Analog devices.&lt;\/p&gt;\" height=\"200\" \/><\/a><\/div>\n<div class=\"image-content\">\n<h3 class=\"image-title\">\u504f\u632f\u65cb\u8f6c\u5668<\/h3>\n<div class=\"image-caption tb_text_wrap\">\n<p align=\"left\">\u6700\u57fa\u672c\u7684LC\u5668\u4ef6\u3002\u8f93\u5165\u6781\u5316\u65cb\u8f6c90\u5ea6\uff0c\u7535\u538b\u4e3a\u96f6\u3002\u5c06\u7535\u538b\u589e\u52a0\u5230\u6700\u5927\u89e3\u5377\uff0cLC\u5206\u5b50\u4e0d\u4ea7\u751f\u65cb\u8f6c\u3002TN\u8bbe\u5907\u53ef\u4ee5\u9488\u5bf9NIR\u5e94\u7528\u8fdb\u884c\u4f18\u5316\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sub_column module_column col3-1 middle sub_column_post_1526 sub_column_2-0-1-1 tb_6faw856 second\">\n<div class=\"tb-column-inner\">\n<div class=\"module module-image tb_wg6p856  image-top  \">\n<div class=\"image-wrap\"><a class=\"lightbox-builder themify_lightbox\" href=\"https:\/\/boldervision.com\/wp-content\/uploads\/2020\/06\/TN-sideby-side.jpg\" data-zoom-config=\"50%|56%\"><img class=\" wp-post-image wp-image-3411\" style=\"height: auto;max-width: 100%;margin: 0px;padding: 0px;border: 0px;vertical-align: top\" title=\"Achromatic High Contrast Attenuators\" src=\"https:\/\/boldervision.com\/wp-content\/uploads\/2020\/06\/TN-sideby-side-360x200.jpg\" alt=\"&lt;p style=&quot;color: white; background-color: rgba(0, 0, 0, 1.0); border: 2px solid #f88d2b; padding: 15px 15px 15px 15px&quot;&gt;Side by side comparison of TN achromatic attenuators. 1000:1 contrast ratio over wide wavelength range.&lt;\/p&gt;\" height=\"200\" \/><\/a><\/div>\n<div class=\"image-content\">\n<h3 class=\"image-title\">\u6d88\u8272\u5dee\u9ad8\u5bf9\u6bd4\u5ea6\u8870\u51cf\u5668<\/h3>\n<div class=\"image-caption tb_text_wrap\">\n<p align=\"left\">\u5c55\u793a\u884c\u4e1a\u7684\u4e3b\u529b\u3002\u9996\u5148\u7528\u4e8e\u624b\u8868\u7684\u9ad8\u5bf9\u6bd4\u5ea6\u8870\u51cf\u5668\u662f\u6700\u4fbf\u5b9c\u3001\u6700\u5bb9\u6613\u6279\u91cf\u751f\u4ea7\u7684\u7535\u6c60\u3002\u6b63\u5e38\u767d\u8272\u6a21\u5f0f1000:1\u5bf9\u6bd4\u5ea6\uff0c\u652f\u6301200\u7eb3\u7c73\u6ce2\u6bb5\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sub_column module_column col3-1 last sub_column_post_1526 sub_column_2-0-1-2 tb_yys4856\">\n<div class=\"tb-column-inner\">\n<div class=\"module module-image tb_n0qc856  image-top  \">\n<div class=\"image-content\">\n<h3 class=\"image-title\">\u6db2\u6676\u8c03\u5236\u5668-\u7acb\u4f53\u663e\u793a\u5668<\/h3>\n<div class=\"image-caption tb_text_wrap\">\n<p align=\"left\">TN\u8c03\u5236\u5668\u901a\u5e38\u7528\u4e8e\u7acb\u4f53\u663e\u793a\u884c\u4e1a\u3002\u773c\u955c\u4e2d\u4ea4\u66ff\u7ebf\u504f\u632f\u6001\u7684\u8c03\u5236\u6a21\u62df\u6df1\u5ea6\u3002\u73b0\u4ee33D\u5a31\u4e50\u7684\u57fa\u7840\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<br><div class=\"tagcloud\"><a href=\"https:\/\/www.bihec.com\/bvo-polarizer\/tag\/bvo-tn%e5%81%8f%e6%8c%af%e6%97%8b%e8%bd%ac%e5%99%a8\/\" class=\"tag-cloud-link tag-link-0 tag-link-position-1\" style=\"font-size: 8pt;\" aria-label=\"BVO TN\u504f\u632f\u65cb\u8f6c\u5668 (1\u4e2a\u9879\u76ee)\">BVO TN\u504f\u632f\u65cb\u8f6c\u5668<\/a>\n<a href=\"https:\/\/www.bihec.com\/bvo-polarizer\/tag\/bvo%e6%b6%b2%e6%99%b6%e5%81%8f%e6%8c%af%e6%97%8b%e8%bd%ac%e5%99%a8\/\" class=\"tag-cloud-link tag-link-1 tag-link-position-2\" style=\"font-size: 8pt;\" aria-label=\"BVO\u6db2\u6676\u504f\u632f\u65cb\u8f6c\u5668 (1\u4e2a\u9879\u76ee)\">BVO\u6db2\u6676\u504f\u632f\u65cb\u8f6c\u5668<\/a>\n<a href=\"https:\/\/www.bihec.com\/bvo-polarizer\/tag\/%e6%89%ad%e6%9b%b2%e5%90%91%e5%88%97tn%e6%b6%b2%e6%99%b6\/\" class=\"tag-cloud-link tag-link-2 tag-link-position-3\" style=\"font-size: 8pt;\" aria-label=\"\u626d\u66f2\u5411\u5217TN\u6db2\u6676 (1\u4e2a\u9879\u76ee)\">\u626d\u66f2\u5411\u5217TN\u6db2\u6676<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>TN\u504f\u632f\u65cb\u8f6c\u5668 \u626d\u66f2\u5411\u5217\uff08Twisted Nematic\uff0cTN\uff09\u6db2\u6676\u662f\u663e\u793a\u884c\u4e1a\u4e2d\u6700\u5e38\u7528\u7684\u6db2\u6676\u7c7b\u578b\u3002TN\u76d2\u672c\u8d28\u4e0a\u662f90\u00b0\u6db2\u6676\u504f\u632f\u65cb\u8f6c\u5668\u3002\u5f53\u7ebf\u6027\u504f\u632f\u5149\u8fdb\u5165\u6db2\u6676\u76d2\u65f6\uff0c\u5b83\u4f1a\u6cbf\u7740\u4ece\u524d\u73bb\u7483\u57fa\u677f <\/p>\n","protected":false},"author":12,"featured_media":280,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[46],"tags":[50,52,51],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>BVO TN\u504f\u632f\u65cb\u8f6c\u5668\u3001\u626d\u66f2\u5411\u5217TN\u6db2\u6676\u3001BVO\u6db2\u6676\u504f\u632f\u65cb\u8f6c\u5668<\/title>\n<meta name=\"description\" content=\"BVO TN\u504f\u632f\u65cb\u8f6c\u5668\u3001\u626d\u66f2\u5411\u5217TN\u6db2\u6676\u3001BVO\u6db2\u6676\u504f\u632f\u65cb\u8f6c\u5668\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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