{"id":17658,"date":"2021-04-11T00:05:05","date_gmt":"2021-04-11T04:05:05","guid":{"rendered":"https:\/\/www.iridian.ca\/?page_id=17658"},"modified":"2023-11-09T04:28:16","modified_gmt":"2023-11-09T09:28:16","slug":"single-cavity-filter-tutorial-dup","status":"publish","type":"post","link":"https:\/\/www.iridian.ca\/zh-hans\/learning_center\/single-cavity-filter-tutorial-dup\/","title":{"rendered":"Single Cavity Filter Tutorial"},"content":{"rendered":"

The Single Cavity Filter (SCF) is used to select a single frequency from a broad spectral range. SCFs are typically used for wavelength locking.<\/p>\n

\"Single-Cavity-Tutorial\"<\/p>\n

Center Wavelength (CWL) [nm]:<\/h2>\n

The center wavelength (CWL) is defined as the mean wavelength @ -3 dB of the SCF e.g.<\/p>\n

If the \u20133 dB bandwidth of the SCF is 1564.825 \u2013 1565.175 nm then the CWL is (1565.175 + 1564.825)\/2 ~ 1565.000 nm.<\/p>\n

Band Width (BW) [nm]:<\/h2>\n

The width of the transmittance curve about the center wavelength at a certain specified transmittance level.<\/p>\n

[nice-button link=”https:\/\/www.iridian.ca\/product\/single-cavity-etalons\/”] Single Cavity Etalons[\/nice-button]<\/p>\n","protected":false},"excerpt":{"rendered":"

The Single Cavity Filter (SCF) is used to select a single frequency from a broad spectral range. SCFs are typically used for…<\/p>\n","protected":false},"author":159,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"off","_et_pb_old_content":"

Single Cavity Filter Tutorial<\/h1>

The Single Cavity Filter (SCF) is used to select a single frequency from a broad spectral range. SCFs are typically used for wavelength locking.<\/p>

\"Single-Cavity-Tutorial\"<\/p>

Center Wavelength (CWL) [nm]:<\/h2>

The center wavelength (CWL) is defined as the mean wavelength @ -3 dB of the SCF e.g.<\/p>

If the \u20133 dB bandwidth of the SCF is 1564.825 \u2013 1565.175 nm then the CWL is (1565.175 + 1564.825)\/2 ~ 1565.000 nm.<\/p><\/blockquote>

Band Width (BW) [nm]:<\/h4>

The width of the transmittance curve about the center wavelength at a certain specified transmittance level.<\/p>","_et_gb_content_width":"","footnotes":""},"categories":[2205,2211],"tags":[],"class_list":["post-17658","post","type-post","status-publish","format-standard","hentry","category-learning_center","category-tech_notes"],"acf":[],"yoast_head":"\nSingle Cavity Filter Tutorial - Iridian Spectral Technologies<\/title>\n<meta name=\"description\" content=\"The Single Cavity Filter (SCF) is used to select a single frequency from a broad spectral range. 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