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Effect of the surrounding substrate on the responsivity of a pyroelectric detector 周围衬底对热释电探测器响应率的影响
Infrared physics Pub Date : 1993-04-01 DOI: 10.1016/0020-0891(93)90009-V
Pingmao Xu
{"title":"Effect of the surrounding substrate on the responsivity of a pyroelectric detector","authors":"Pingmao Xu","doi":"10.1016/0020-0891(93)90009-V","DOIUrl":"10.1016/0020-0891(93)90009-V","url":null,"abstract":"<div><p>The responsivity expression of a pyroelectric detector with a surrounding substrate is given. The calculation of the responsivity in this case is compared with that for a suspended case. The effect of the surrounding substrate cannot be neglected for small <em>r</em><sub>1</sub><em>f</em><sup><span><math><mtext>1</mtext><mtext>2</mtext></math></span></sup>, where <em>r</em><sub>1</sub> is the radius of the electrode and <em>f</em> is the frequency.</p></div>","PeriodicalId":81524,"journal":{"name":"Infrared physics","volume":"34 2","pages":"Pages 203-206"},"PeriodicalIF":0.0,"publicationDate":"1993-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-0891(93)90009-V","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53081401","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Novel differentially strained p-doped quantum well infrared detector 新型差分应变掺磷量子阱红外探测器
Infrared physics Pub Date : 1993-04-01 DOI: 10.1016/0020-0891(93)90004-Q
R.T. Kuroda, E. Garmire
{"title":"Novel differentially strained p-doped quantum well infrared detector","authors":"R.T. Kuroda,&nbsp;E. Garmire","doi":"10.1016/0020-0891(93)90004-Q","DOIUrl":"10.1016/0020-0891(93)90004-Q","url":null,"abstract":"<div><p>We propose a differentially strained p-doped quantum well infrared (IR) photodetector that achieves high performance specifications. We examine key device and material considerations for such a detector for near 10 μm detection. We calculate that through differential strain, this novel detector has improved gain and substantially reduced dark current over previous quantum well IR photodetectors, while being able to detect normal incident light.</p></div>","PeriodicalId":81524,"journal":{"name":"Infrared physics","volume":"34 2","pages":"Pages 153-161"},"PeriodicalIF":0.0,"publicationDate":"1993-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-0891(93)90004-Q","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53081265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Frequency measurements in the 10 μm spectrum of 11BCl3 11BCl3在10 μm谱内的频率测量
Infrared physics Pub Date : 1993-04-01 DOI: 10.1016/0020-0891(93)90011-U
D.P. Godwin , R.J. Butcher
{"title":"Frequency measurements in the 10 μm spectrum of 11BCl3","authors":"D.P. Godwin ,&nbsp;R.J. Butcher","doi":"10.1016/0020-0891(93)90011-U","DOIUrl":"10.1016/0020-0891(93)90011-U","url":null,"abstract":"<div><p>This paper presents a study of the spectroscopy of <sup>11</sup>BCl<sub>3</sub> using the Doppler-free saturated absorption technique. Many lines in the degenerate ν<sub>3</sub> fundamental of this molecule have been recorded using the 10P branch of a carbon dioxide laser. The absolute frequencies of the linecentres of these absorptions have been measured to an accuracy of better than 10 kHz, using frequencies calibrated against transitions in SF<sub>6</sub> and OsO<sub>4</sub>. Hyperfine structure due to the Cl nuclei was easily resolved, and more detailed structure, which may be attributed to the <sup>11</sup>B quadrupole interaction, was also seen. The splittings between individual quadrupole components were measured to an accuracy of better than 2 kHz where SF<sub>6</sub> references were used, and to about 8 kHz in the case of OsO<sub>4</sub>. Peak-to-peak linewidths as low as 22 kHz have been recorded, representing the highest resolution data yet obtained for this molecule.</p></div>","PeriodicalId":81524,"journal":{"name":"Infrared physics","volume":"34 2","pages":"Pages 213-226"},"PeriodicalIF":0.0,"publicationDate":"1993-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-0891(93)90011-U","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53081796","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Optical properties of calcite and gypsum in crystalline and powdered form in the infrared and far-infrared 方解石和石膏晶体和粉末状在红外和远红外下的光学特性
Infrared physics Pub Date : 1993-04-01 DOI: 10.1016/0020-0891(93)90008-U
L.L. Long , M.R. Querry , R.J. Bell , R.W. Alexander
{"title":"Optical properties of calcite and gypsum in crystalline and powdered form in the infrared and far-infrared","authors":"L.L. Long ,&nbsp;M.R. Querry ,&nbsp;R.J. Bell ,&nbsp;R.W. Alexander","doi":"10.1016/0020-0891(93)90008-U","DOIUrl":"10.1016/0020-0891(93)90008-U","url":null,"abstract":"<div><p>The complex indices of refraction for crystalline gypsum and calcite were determined from reflectance measurements for both single crystals and pressed powder pellets. These optical constants were determined from a classical dispersive analysis (DA) of the reflectance data to facilitate comparisons between the crystal and powdered data. This study was done to show the usefulness and the limitations of using pressed pellets for determining the complex refractive index of materials unavailable in single crystals.</p></div>","PeriodicalId":81524,"journal":{"name":"Infrared physics","volume":"34 2","pages":"Pages 191-201"},"PeriodicalIF":0.0,"publicationDate":"1993-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-0891(93)90008-U","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53081391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 75
Fast detection in the near and medium infrared by means of transverse dember effect in anisotropic PbS and PbSe films 利用各向异性PbS和PbSe薄膜的横向dember效应在近红外和中红外快速检测
Infrared physics Pub Date : 1993-04-01 DOI: 10.1016/0020-0891(93)90002-O
S. Marchetti, M. Giorgi , C. Lazzari, V. Palleschi, R. Simili
{"title":"Fast detection in the near and medium infrared by means of transverse dember effect in anisotropic PbS and PbSe films","authors":"S. Marchetti,&nbsp;M. Giorgi ,&nbsp;C. Lazzari,&nbsp;V. Palleschi,&nbsp;R. Simili","doi":"10.1016/0020-0891(93)90002-O","DOIUrl":"10.1016/0020-0891(93)90002-O","url":null,"abstract":"<div><p>The transverse Dember effect in semiconductor anisotropic films (PbS, PbSe) can be used for detection of ns infrared (IR) pulses in the 1–4 μm region with a typical 0.1 <span><math><mtext>V</mtext><mtext>MW</mtext></math></span> responsivity for detectors of 1 cm<sup>2</sup> area.</p></div>","PeriodicalId":81524,"journal":{"name":"Infrared physics","volume":"34 2","pages":"Pages 137-141"},"PeriodicalIF":0.0,"publicationDate":"1993-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-0891(93)90002-O","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53081240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Temporal effects in millimetre wave aerosol spectra and the influence of infrared radiation 毫米波气溶胶光谱的时间效应和红外辐射的影响
Infrared physics Pub Date : 1993-04-01 DOI: 10.1016/0020-0891(93)90003-P
P.F. Miller, H.A. Gebbie
{"title":"Temporal effects in millimetre wave aerosol spectra and the influence of infrared radiation","authors":"P.F. Miller,&nbsp;H.A. Gebbie","doi":"10.1016/0020-0891(93)90003-P","DOIUrl":"10.1016/0020-0891(93)90003-P","url":null,"abstract":"<div><p>Time variations of millimetre wave maser emission from water aerosols on the time scale of an hour appear to be related to the incident infrared flux. They explain spectral window variability which often affects their spectra.</p></div>","PeriodicalId":81524,"journal":{"name":"Infrared physics","volume":"34 2","pages":"Pages 143-152"},"PeriodicalIF":0.0,"publicationDate":"1993-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-0891(93)90003-P","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53081249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
An envelope method for determination of the optical constants of absorptive films on absorptive substrates 测定吸收基底上吸收膜光学常数的包络法
Infrared physics Pub Date : 1993-04-01 DOI: 10.1016/0020-0891(93)90005-R
D.B. Kushev, N.N. Zheleva, M.I. Gyulmezov, M.H. Koparanova
{"title":"An envelope method for determination of the optical constants of absorptive films on absorptive substrates","authors":"D.B. Kushev,&nbsp;N.N. Zheleva,&nbsp;M.I. Gyulmezov,&nbsp;M.H. Koparanova","doi":"10.1016/0020-0891(93)90005-R","DOIUrl":"10.1016/0020-0891(93)90005-R","url":null,"abstract":"<div><p>A simple variant of the envelope method for deducing optical constants from the interference extrema of the front reflectivity, is extended to the case of an absorbing film on a strongly absorbing substrate. The envelope method is applied to the experimental spectra of SnTe epitaxial layers on metal substrates.</p></div>","PeriodicalId":81524,"journal":{"name":"Infrared physics","volume":"34 2","pages":"Pages 163-167"},"PeriodicalIF":0.0,"publicationDate":"1993-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-0891(93)90005-R","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53081282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Optical properties of Hg1−xCdxTe Hg1−xCdxTe的光学性质
Infrared physics Pub Date : 1993-04-01 DOI: 10.1016/0020-0891(93)90010-5
Fei-Ming Tong, N.M. Ravindra
{"title":"Optical properties of Hg1−xCdxTe","authors":"Fei-Ming Tong,&nbsp;N.M. Ravindra","doi":"10.1016/0020-0891(93)90010-5","DOIUrl":"10.1016/0020-0891(93)90010-5","url":null,"abstract":"<div><p>Optical properties of Hg<sub>1−<em>x</em></sub>Cd<sub><em>x</em></sub>Te are summarized in this study. Based on Penn-like models, the Moss relation and the Wemple and DiDomenico approach, calculations of energy gap, plasmon energy, Fermi energy, oscillator strength and electronic polarizability have been made. Comparisons are made with the data available in the literature. Details of the dependency of the properties on composition are presented.</p></div>","PeriodicalId":81524,"journal":{"name":"Infrared physics","volume":"34 2","pages":"Pages 207-212"},"PeriodicalIF":0.0,"publicationDate":"1993-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-0891(93)90010-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53081416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Forthcoming conferences 即将到来的会议
Infrared physics Pub Date : 1993-04-01 DOI: 10.1016/0020-0891(93)90012-V
{"title":"Forthcoming conferences","authors":"","doi":"10.1016/0020-0891(93)90012-V","DOIUrl":"https://doi.org/10.1016/0020-0891(93)90012-V","url":null,"abstract":"","PeriodicalId":81524,"journal":{"name":"Infrared physics","volume":"34 2","pages":"Page i"},"PeriodicalIF":0.0,"publicationDate":"1993-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-0891(93)90012-V","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137157431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interband and intraband contributions to refractive index and dispersion in narrow-gap semiconductors 窄带隙半导体中对折射率和色散的带间和带内贡献
Infrared physics Pub Date : 1993-04-01 DOI: 10.1016/0020-0891(93)90001-N
K.H. Herrmann, V. Melzer, U. Müller
{"title":"Interband and intraband contributions to refractive index and dispersion in narrow-gap semiconductors","authors":"K.H. Herrmann,&nbsp;V. Melzer,&nbsp;U. Müller","doi":"10.1016/0020-0891(93)90001-N","DOIUrl":"10.1016/0020-0891(93)90001-N","url":null,"abstract":"<div><p>This review covers experimental methods and results for the determination of refractive index.</p><p>It discusses various empirical relations between refractive index and energy gap (Moss relation, Ravindra and Gopal formulae and the Wemple DiDomenico approach). Effects of free carriers and temperature are included.</p><p>Finally, the Kramers-Kronig transformation of absorption or reflection spectra is considered.</p></div>","PeriodicalId":81524,"journal":{"name":"Infrared physics","volume":"34 2","pages":"Pages 117-136"},"PeriodicalIF":0.0,"publicationDate":"1993-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-0891(93)90001-N","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53081229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
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