{"title":"具有高光谱距离-分辨率的低噪声光学光谱仪。","authors":"Andreas Muller","doi":"10.1364/JOSAA.560613","DOIUrl":null,"url":null,"abstract":"<p><p>An optical diffraction grating spectrometer is described which achieves a spectral resolution of 1.4<i>c</i><i>m</i><sup>-1</sup> over a spectral range of 3800<i>c</i><i>m</i><sup>-1</sup> without moving parts. It offers high detection efficiency (>50<i>%</i> in the green for p-polarized light) and low noise, without requiring thermoelectric cooling. Based on a fast F0.95/50 mm camera lens that is traversed by both input light and grating-dispersed light, it occupies a volume of under 2 L. Such a device is ideally suited for high-resolution low-light spectroscopy needed in portable Raman trace-gas sensing.</p>","PeriodicalId":17382,"journal":{"name":"Journal of The Optical Society of America A-optics Image Science and Vision","volume":"42 7","pages":"1025-1030"},"PeriodicalIF":1.5000,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Low-noise optical spectrometer with a high spectral-range-to-resolution ratio.\",\"authors\":\"Andreas Muller\",\"doi\":\"10.1364/JOSAA.560613\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>An optical diffraction grating spectrometer is described which achieves a spectral resolution of 1.4<i>c</i><i>m</i><sup>-1</sup> over a spectral range of 3800<i>c</i><i>m</i><sup>-1</sup> without moving parts. It offers high detection efficiency (>50<i>%</i> in the green for p-polarized light) and low noise, without requiring thermoelectric cooling. Based on a fast F0.95/50 mm camera lens that is traversed by both input light and grating-dispersed light, it occupies a volume of under 2 L. Such a device is ideally suited for high-resolution low-light spectroscopy needed in portable Raman trace-gas sensing.</p>\",\"PeriodicalId\":17382,\"journal\":{\"name\":\"Journal of The Optical Society of America A-optics Image Science and Vision\",\"volume\":\"42 7\",\"pages\":\"1025-1030\"},\"PeriodicalIF\":1.5000,\"publicationDate\":\"2025-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of The Optical Society of America A-optics Image Science and Vision\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://doi.org/10.1364/JOSAA.560613\",\"RegionNum\":3,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"OPTICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of The Optical Society of America A-optics Image Science and Vision","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1364/JOSAA.560613","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"OPTICS","Score":null,"Total":0}
Low-noise optical spectrometer with a high spectral-range-to-resolution ratio.
An optical diffraction grating spectrometer is described which achieves a spectral resolution of 1.4cm-1 over a spectral range of 3800cm-1 without moving parts. It offers high detection efficiency (>50% in the green for p-polarized light) and low noise, without requiring thermoelectric cooling. Based on a fast F0.95/50 mm camera lens that is traversed by both input light and grating-dispersed light, it occupies a volume of under 2 L. Such a device is ideally suited for high-resolution low-light spectroscopy needed in portable Raman trace-gas sensing.
期刊介绍:
The Journal of the Optical Society of America A (JOSA A) is devoted to developments in any field of classical optics, image science, and vision. JOSA A includes original peer-reviewed papers on such topics as:
* Atmospheric optics
* Clinical vision
* Coherence and Statistical Optics
* Color
* Diffraction and gratings
* Image processing
* Machine vision
* Physiological optics
* Polarization
* Scattering
* Signal processing
* Thin films
* Visual optics
Also: j opt soc am a.