{"id":2367,"date":"2025-10-16T19:19:46","date_gmt":"2025-10-16T19:19:46","guid":{"rendered":"https:\/\/snowhouse.ca\/?post_type=product&#038;p=2367"},"modified":"2025-11-21T17:44:25","modified_gmt":"2025-11-21T17:44:25","slug":"ocam2-by-first-light-imaging","status":"publish","type":"product","link":"https:\/\/snowhouse.ca\/fr\/produit\/cameras-spectrographs\/emccd-cameras\/ocam2-by-first-light-imaging\/","title":{"rendered":"OCAM2 EMCCD"},"content":{"rendered":"<h3>OCAM2 de First Light \u2013 Con\u00e7ue pour les pionniers, pas pour tout le monde.<br \/>\nD\u00e9velopp\u00e9 par des astronomes pour des astronomes, pour l&#039;imagerie visible<\/h3>\n<p>OCAM<sup>2<\/sup>K et OCAM<sup>2<\/sup>Les cam\u00e9ras EMCCD sont des cam\u00e9ras haute vitesse \u00e0 faible bruit.\u00a0<strong>capable de fonctionner \u00e0 2067 images\/s (3700 images\/s en mode binning) avec un bruit de lecture inf\u00e9rieur \u00e0 l&#039;\u00e9lectron.<\/strong>, fonctionnant de 400 nm \u00e0 900 nm avec un\u00a0<strong>pic QE typique 95%<\/strong>. OCAM<sup>2<\/sup>K et OCAM<sup>2<\/sup>S propose \u00e9galement\u00a0<strong>faible latence : 43 \u00b5s<\/strong>\u00a0entre l&#039;exposition et la disponibilit\u00e9 du premier pixel.<\/p>\n<p><strong>CARACT\u00c9RISTIQUES PRINCIPALES<\/strong><\/p>\n<ul>\n<li>Capteur EMCCD refroidi 240 x 240<\/li>\n<li>Jusqu&#039;\u00e0 2067 FPS en plein \u00e9cran<\/li>\n<li>Bruit de lecture sub\u00e9lectronique<\/li>\n<li>Latence ultra-faible<\/li>\n<li>Interface CameraLink\u00ae<\/li>\n<\/ul>\n<p>OCAM<sup>2<\/sup>K et OCAM<sup>2<\/sup>S sont\u00a0<strong>Cam\u00e9ras EMCCD haute vitesse et faible bruit<\/strong>\u00a0capable de courir \u00e0\u00a0<strong>2067 images par seconde<\/strong>\u00a0(3700 images\/seconde en binning) avec\u00a0<strong>bruit de lecture sub\u00e9lectronique<\/strong>.<\/p>\n<p>Pour atteindre cette performance, OCAM<sup>2<\/sup>K int\u00e8gre le capteur Teledyne E2V CCD220, un capteur r\u00e9tro\u00e9clair\u00e9 \u00e0 transfert d&#039;images 8 sorties refroidi par effet Peltier de 240 x 240 pixels. En revanche, OCAM<sup>2<\/sup>Le mod\u00e8le S est dot\u00e9 d&#039;un obturateur \u00e9lectronique int\u00e9gr\u00e9 et utilise le CCD Teledyne E2V 219 refroidi par effet Peltier 240 x 240 pixels \u00e0 transfert d&#039;images divis\u00e9es \u00e0 8 sorties.<br \/>\nObturateur \u00e9lectronique int\u00e9gr\u00e9 dans OCAM<sup>2<\/sup>S est capable de d\u00e9livrer un nombre arbitraire d&#039;impulsions d&#039;int\u00e9gration pouvant \u00eatre plus courtes que 1 \u03bcs avec une pr\u00e9cision sup\u00e9rieure \u00e0 50 ns.<br \/>\nPour minimiser le flou, les lignes d&#039;horloge \u00e0 haute vitesse \u00e0 renforts m\u00e9talliques des capteurs CCD220 et CCD219 sont pilot\u00e9es par OCAM.<sup>2<\/sup>K et OCAM<sup>2<\/sup>S \u00e0 une vitesse pouvant atteindre 7 Mlignes\/s, transf\u00e9rant chaque image dans la section magasin en seulement 12 microsecondes. OCAM<sup>2<\/sup>K et OCAM<sup>2<\/sup>S propose \u00e9galement un\u00a0<strong>Latence extr\u00eamement faible\u00a0: 43\u00a0\u00b5s entre l\u2019exposition et la disponibilit\u00e9 du premier pixel<\/strong>.<br \/>\nD\u00e9velopp\u00e9es par des astronomes pour des astronomes, les cam\u00e9ras EMCCD OCAM sont destin\u00e9es \u00e0 l&#039;imagerie visible et offrent un rendement quantique pouvant atteindre 95% sur un large spectre (de 400 \u00e0 900 nm).<sup>2<\/sup>K et OCAM<sup>2<\/sup>Les cam\u00e9ras S sont les cam\u00e9ras visibles les plus rapides avec un bruit de lecture inf\u00e9rieur \u00e0 l&#039;\u00e9lectron. Pour les applications de d\u00e9tection de front d&#039;onde, les cam\u00e9ras OCAM sont recommand\u00e9es.<sup>2<\/sup>K et OCAM<sup>2<\/sup>Le mod\u00e8le S peut \u00eatre \u00e9quip\u00e9 d&#039;un r\u00e9seau de microlentilles \u00e0 20 x 20 sous-ouvertures (personnalisable sur demande).<\/p>\n<div class=\"table-responsive\">\n<table class=\"striped-table text-center\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><strong>Sp\u00e9cifications du capteur<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>OCAM<sup>2<\/sup>S<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>OCAM<sup>2<\/sup>K<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Vitesse maximale plein cadre<\/td>\n<td style=\"text-align: center;\" colspan=\"2\">2067 images par seconde<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Bruit de lecture moyen \u00e0 2000 FPS et gain de multiplication ~600<\/td>\n<td style=\"text-align: center;\" colspan=\"2\">0,4 e<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Signal sombre \u00e0 2000 FPS \u00e0 -45 \u00b0C<\/td>\n<td colspan=\"2\">&lt;0,01 e- pixel<sup>-1<\/sup>\u00a0cadre<sup>-1<\/sup><\/td>\n<\/tr>\n<tr>\n<td>Quantification<\/td>\n<td style=\"text-align: center;\" colspan=\"2\">14 bits<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Rendement quantique maximal \u00e0 650 nm<\/td>\n<td style=\"text-align: center;\" colspan=\"2\">&gt;90%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Lin\u00e9arit\u00e9 \u00e0 gain x1000 de 10 e- \u00e0 150 e-<\/td>\n<td style=\"text-align: center;\" colspan=\"2\">&lt;3,5%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Lin\u00e9arit\u00e9 au gain x1 de 15\u00a0000 e- \u00e0 150\u00a0000 e-<\/td>\n<td style=\"text-align: center;\" colspan=\"2\">&lt;3,5%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Capacit\u00e9 du puits plein \u00e0 gain x1<\/td>\n<td>80 000 e-<\/td>\n<td>270 000 e-<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">CTE parall\u00e8le \u00e0 gain x1, 750 FPS<\/td>\n<td style=\"text-align: center;\">N \/ A<\/td>\n<td style=\"text-align: center;\">min 99,99%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">CTE parall\u00e8le \u00e0 gain x1, 750 FPS<\/td>\n<td style=\"text-align: center;\">N \/ A<\/td>\n<td style=\"text-align: center;\">min 99,99%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Interface compl\u00e8te Camera Link\u00ae \u00e0 latence ultra-faible<\/td>\n<td style=\"text-align: center;\" colspan=\"2\">43 \u03bcs<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Vitesse maximale en mode de tri 2 x 2<\/td>\n<td style=\"text-align: center;\" colspan=\"2\">3700 images par seconde<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">R\u00e9solution de l&#039;obturateur<\/td>\n<td style=\"text-align: center;\">&lt;0,05 \u03bcs<\/td>\n<td style=\"text-align: center;\">N \/ A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Pixels actifs\u00a0: 240\u00a0\u00d7\u00a0240, pas de pixel de 24\u00a0\u00b5m<\/p>","protected":false},"featured_media":2368,"template":"","meta":[],"product_brand":[551],"product_cat":[163],"product_tag":[],"document":[],"class_list":{"0":"post-2367","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-andor","7":"product_cat-emccd-cameras","9":"first","10":"instock","11":"purchasable","12":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - 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