{"id":1677,"date":"2020-08-07T12:00:09","date_gmt":"2020-08-07T12:00:09","guid":{"rendered":"https:\/\/pfs.naoj.org\/blog\/?p=1677"},"modified":"2021-12-13T09:15:48","modified_gmt":"2021-12-13T09:15:48","slug":"optics-for-the-3rd-spectrograph-module-were-delivered","status":"publish","type":"post","link":"https:\/\/pfs.naoj.org\/blog\/2020\/08\/p1677","title":{"rendered":"Optics for the 3rd Spectrograph Module were delivered."},"content":{"rendered":"\n<p>We have a news from Marseilles in France in the middle of summer.<\/p>\n\n\n\n<p>PFS uses 4 identical spectrograph modules to obtain about 2400 spectra from astronomical objects. Development of the spectrograph modules are led by Laboratoire d\u2019Astrophysique de Marseille (LAM), and production of the optical systems such as lenses are going on by their partner, Winlight.<br \/>Two sets of the PFS optics have been delivered, and the third units was delivered at LAM in July 2020, after confirming they achieved as good performance as the previous ones or better.<br \/><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1006\" height=\"450\" src=\"https:\/\/pfs.naoj.org\/blog\/wp-content\/uploads\/2020\/08\/202007_SM3_LAM2.jpg\" alt=\"\" class=\"wp-image-1679\" srcset=\"https:\/\/pfs.naoj.org\/blog\/wp-content\/uploads\/2020\/08\/202007_SM3_LAM2.jpg 1006w, https:\/\/pfs.naoj.org\/blog\/wp-content\/uploads\/2020\/08\/202007_SM3_LAM2-300x134.jpg 300w, https:\/\/pfs.naoj.org\/blog\/wp-content\/uploads\/2020\/08\/202007_SM3_LAM2-768x344.jpg 768w, https:\/\/pfs.naoj.org\/blog\/wp-content\/uploads\/2020\/08\/202007_SM3_LAM2-624x279.jpg 624w\" sizes=\"auto, (max-width: 1006px) 100vw, 1006px\" \/><figcaption> <br \/>PFS optical units at LAM. Orange arrows indicate ones delivered this time.<\/figcaption><\/figure>\n\n\n\n<p>Cryostat system for cameras are assembled and tested by Johns Hopkins University in the USA, and they are planning to ship one for the third visible-red  camera unit soon. The fiber slits are being assembled at  Laborat\u00f3rio Nacional de Astrof\u00edsica in Brazil. <\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"607\" height=\"458\" src=\"https:\/\/pfs.naoj.org\/blog\/wp-content\/uploads\/2020\/08\/202007_R3_JHU.jpg\" alt=\"\" data-id=\"1680\" data-link=\"https:\/\/pfs.naoj.org\/blog\/?attachment_id=1680\" class=\"wp-image-1680\" srcset=\"https:\/\/pfs.naoj.org\/blog\/wp-content\/uploads\/2020\/08\/202007_R3_JHU.jpg 607w, https:\/\/pfs.naoj.org\/blog\/wp-content\/uploads\/2020\/08\/202007_R3_JHU-300x226.jpg 300w\" sizes=\"auto, (max-width: 607px) 100vw, 607px\" \/><figcaption class=\"blocks-gallery-item__caption\">Cryostat of the third visible -red camera unit.<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"656\" height=\"876\" src=\"https:\/\/pfs.naoj.org\/blog\/wp-content\/uploads\/2020\/08\/202007_FCA4_LNA.jpeg\" alt=\"\" data-id=\"1681\" data-link=\"https:\/\/pfs.naoj.org\/blog\/?attachment_id=1681\" class=\"wp-image-1681\" srcset=\"https:\/\/pfs.naoj.org\/blog\/wp-content\/uploads\/2020\/08\/202007_FCA4_LNA.jpeg 656w, https:\/\/pfs.naoj.org\/blog\/wp-content\/uploads\/2020\/08\/202007_FCA4_LNA-225x300.jpeg 225w, https:\/\/pfs.naoj.org\/blog\/wp-content\/uploads\/2020\/08\/202007_FCA4_LNA-624x833.jpeg 624w\" sizes=\"auto, (max-width: 656px) 100vw, 656px\" \/><figcaption class=\"blocks-gallery-item__caption\">Fiber slit<\/figcaption><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>Once they get ready with all component delivered, the integration of the their spectrograph module will start in parallel with the second module.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We have a news from Marseilles in France in the middle of summer. PFS uses 4 identical spectrograph modules to obtain about 2400 spectra from astronomical objects. Development of the spectrograph modules are led by Laboratoire d\u2019Astrophysique de Marseille (LAM), and production of the optical systems such as lenses are going on by their partner, Winlight.Two sets of the PFS&#8230; <a href=\"https:\/\/pfs.naoj.org\/blog\/2020\/08\/p1677\">Read more &raquo;<\/a><\/p>\n","protected":false},"author":3,"featured_media":1679,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_locale":"en_US","_original_post":"1677","footnotes":""},"categories":[2],"tags":[36,5],"class_list":["post-1677","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-development","tag-sm3","tag-spectrograph","en-US"],"_links":{"self":[{"href":"https:\/\/pfs.naoj.org\/blog\/wp-json\/wp\/v2\/posts\/1677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pfs.naoj.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pfs.naoj.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pfs.naoj.org\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/pfs.naoj.org\/blog\/wp-json\/wp\/v2\/comments?post=1677"}],"version-history":[{"count":7,"href":"https:\/\/pfs.naoj.org\/blog\/wp-json\/wp\/v2\/posts\/1677\/revisions"}],"predecessor-version":[{"id":1970,"href":"https:\/\/pfs.naoj.org\/blog\/wp-json\/wp\/v2\/posts\/1677\/revisions\/1970"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pfs.naoj.org\/blog\/wp-json\/wp\/v2\/media\/1679"}],"wp:attachment":[{"href":"https:\/\/pfs.naoj.org\/blog\/wp-json\/wp\/v2\/media?parent=1677"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pfs.naoj.org\/blog\/wp-json\/wp\/v2\/categories?post=1677"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pfs.naoj.org\/blog\/wp-json\/wp\/v2\/tags?post=1677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}