{"id":113,"date":"2026-03-21T11:36:07","date_gmt":"2026-03-21T02:36:07","guid":{"rendered":"https:\/\/www.san-eielectric.co.jp\/am\/?page_id=113"},"modified":"2026-04-28T12:09:20","modified_gmt":"2026-04-28T03:09:20","slug":"7-spectral-match-uniformity-stability","status":"publish","type":"page","link":"https:\/\/www.san-eielectric.co.jp\/am\/en\/solar-simulator-technology\/7-spectral-match-uniformity-stability\/","title":{"rendered":"7. Spectral Match, Uniformity, Stability"},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\">The performance of a solar simulator is evaluated using three key parameters: spectral match, spatial uniformity, and temporal stability.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Spectral match describes how closely the emitted light spectrum of the simulator reproduces the reference solar spectrum.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Spatial uniformity indicates how evenly the irradiance is distributed across the illuminated test area.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Temporal stability refers to the stability of irradiance over time during operation.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">These three parameters determine the overall quality of a solar simulator and are defined in international standards such as IEC 60904-9 and ASTM E927.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><a href=\"https:\/\/www.san-eielectric.co.jp\/am\/en\/solar-simulator-technology\/\" data-type=\"page\" data-id=\"93\">Return to INDEX<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The performance of a solar simulator is evaluated using three key parameters: spectral match, spatial uniformi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":93,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-113","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.san-eielectric.co.jp\/am\/wp-json\/wp\/v2\/pages\/113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.san-eielectric.co.jp\/am\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.san-eielectric.co.jp\/am\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.san-eielectric.co.jp\/am\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.san-eielectric.co.jp\/am\/wp-json\/wp\/v2\/comments?post=113"}],"version-history":[{"count":4,"href":"https:\/\/www.san-eielectric.co.jp\/am\/wp-json\/wp\/v2\/pages\/113\/revisions"}],"predecessor-version":[{"id":1028,"href":"https:\/\/www.san-eielectric.co.jp\/am\/wp-json\/wp\/v2\/pages\/113\/revisions\/1028"}],"up":[{"embeddable":true,"href":"https:\/\/www.san-eielectric.co.jp\/am\/wp-json\/wp\/v2\/pages\/93"}],"wp:attachment":[{"href":"https:\/\/www.san-eielectric.co.jp\/am\/wp-json\/wp\/v2\/media?parent=113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}