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High Resolution Fourier Transform Spectroscopy最新文献

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Energy levels, isotope shifts, and hyperfine splittings from Fourier transform atomic spectra. 能级，同位素位移，和超精细分裂从傅里叶变换原子光谱。
High Resolution Fourier Transform Spectroscopy Pub Date : 1900-01-01 DOI: 10.1364/hrfts.1992.fa1
R. Engleman
{"title":"Energy levels, isotope shifts, and hyperfine splittings from Fourier transform atomic spectra.","authors":"R. Engleman","doi":"10.1364/hrfts.1992.fa1","DOIUrl":"https://doi.org/10.1364/hrfts.1992.fa1","url":null,"abstract":"High resolution Fourier transform spectra of suitable sources, such as hollow cathodes and electrodeless discharge lamps, can yield much accurate data on energy levels, isotope shifts, hyperfine splittings. and other parameters for atoms throughout the periodic table. The great dynamic range and linearity of FT spectra (and the availability of fast computers) allows the use of data reduction techniques generally unusable with more conventional photographic grating spectra. The details of producing atomic Fourier transform spectra can be found in the literature.","PeriodicalId":159025,"journal":{"name":"High Resolution Fourier Transform Spectroscopy","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129888404","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
Fourier Transform Infrared Spectroscopy at the NIST: High Temperature Molecules and Atmospheric Molecules 傅立叶变换红外光谱在NIST:高温分子和大气分子
High Resolution Fourier Transform Spectroscopy Pub Date : 1900-01-01 DOI: 10.1364/hrfts.1989.wb3
A. Maki
{"title":"Fourier Transform Infrared Spectroscopy at the NIST: High Temperature Molecules and Atmospheric Molecules","authors":"A. Maki","doi":"10.1364/hrfts.1989.wb3","DOIUrl":"https://doi.org/10.1364/hrfts.1989.wb3","url":null,"abstract":"This paper gives some of the interesting results from three projects that involve Fourier Transform Spectroscopy (FTS) measurements, studies of molecules involved in atmospheric chemistry, high temperature studies, and the compilation of data for wavenumber calibration of infrared instrumentation. Earlier work on these projects was conducted with a tunable diode laser, now many of the measurements are made with a FTS spectrometer. The FTS instrument is not as sensitive as the diode laser spectrometer, nor does it give as high resolution, but it has the advantage of conveniently and quickly giving broad band spectra with thousands of absorption lines.","PeriodicalId":159025,"journal":{"name":"High Resolution Fourier Transform Spectroscopy","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116373334","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
CIRS: the Composite Infrared Spectrometer for the Cassini Mission CIRS:卡西尼任务的复合红外光谱仪
High Resolution Fourier Transform Spectroscopy Pub Date : 1900-01-01 DOI: 10.1364/hrfts.1992.fb1
D. Jennings, V. Kunde, P. Ade, R. Barney, G. Bjoraker, J. Bonnal, J. Brasunas, S. Calcutt, R. Carlson, B. Conrath, R. Courtin, R. Dodge, F. M. Flasar, D. Gautier, L. Herath, L. Hom, B. Jacquemin, T. Kingsmill-Vellacott, S. Leete, A. Marten, G. Michel, P. Romani
{"title":"CIRS: the Composite Infrared Spectrometer for the Cassini Mission","authors":"D. Jennings, V. Kunde, P. Ade, R. Barney, G. Bjoraker, J. Bonnal, J. Brasunas, S. Calcutt, R. Carlson, B. Conrath, R. Courtin, R. Dodge, F. M. Flasar, D. Gautier, L. Herath, L. Hom, B. Jacquemin, T. Kingsmill-Vellacott, S. Leete, A. Marten, G. Michel, P. Romani","doi":"10.1364/hrfts.1992.fb1","DOIUrl":"https://doi.org/10.1364/hrfts.1992.fb1","url":null,"abstract":"The Cassini spacecraft, to be sent to Saturn later this decade, will carry an infrared Fourier transform spectrometer. Cassini will orbit Saturn for several years, studying the planet and its largest moon Titan with a variety of remote sensing and in-situ instruments. The infrared spectrometer, CIRS, will investigate the composition and thermal structure of the atmospheres of Saturn and Titan.","PeriodicalId":159025,"journal":{"name":"High Resolution Fourier Transform Spectroscopy","volume":"213 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121333761","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
Emission Spectroscopy of Transient Molecules 瞬态分子的发射光谱
High Resolution Fourier Transform Spectroscopy Pub Date : 1900-01-01 DOI: 10.1364/hrfts.1992.tha1
P. Bernath
{"title":"Emission Spectroscopy of Transient Molecules","authors":"P. Bernath","doi":"10.1364/hrfts.1992.tha1","DOIUrl":"https://doi.org/10.1364/hrfts.1992.tha1","url":null,"abstract":"The CN free radical is commonly observed in flames, in the combustion of propellants and in a variety of astronomical sources. The A2Π-X2Σ+ and the B2Σ+-X2Σ+ electronic transitions were observed in a corona-excited supersonic jet expansion source using methyl azide (CH3N3) in helium. The rotationally cold but vibrationally and electronically hot spectra of CN were recorded at high resolution during the course of our work1 on CH3N.","PeriodicalId":159025,"journal":{"name":"High Resolution Fourier Transform Spectroscopy","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125233865","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
High Resolution Spectroscopy of the CN Violet System CN紫系的高分辨光谱学
High Resolution Fourier Transform Spectroscopy Pub Date : 1900-01-01 DOI: 10.1364/hrfts.1989.wb5
R. Engleman, C. Brazier, C. Frum, A. Lee, N. Oliphant, P. Bernath, J. Brault
{"title":"High Resolution Spectroscopy of the CN Violet System","authors":"R. Engleman, C. Brazier, C. Frum, A. Lee, N. Oliphant, P. Bernath, J. Brault","doi":"10.1364/hrfts.1989.wb5","DOIUrl":"https://doi.org/10.1364/hrfts.1989.wb5","url":null,"abstract":"A number of high resolution spectra of different CN violet sources have been obtained with the Kitt Peak Fourier transform spectrometer. These sources fall into four classes.","PeriodicalId":159025,"journal":{"name":"High Resolution Fourier Transform Spectroscopy","volume":"462 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116185731","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
Fourier Transform Observation of Jet Cooled Emission from the CH3N and CCN radicals CH3N和CCN自由基射流冷却发射的傅里叶变换观测
High Resolution Fourier Transform Spectroscopy Pub Date : 1900-01-01 DOI: 10.1364/hrfts.1989.wa5
C. Brazier, P. Carrick, N. Oliphant, P. Bernath
{"title":"Fourier Transform Observation of Jet Cooled Emission from the CH3N and CCN radicals","authors":"C. Brazier, P. Carrick, N. Oliphant, P. Bernath","doi":"10.1364/hrfts.1989.wa5","DOIUrl":"https://doi.org/10.1364/hrfts.1989.wa5","url":null,"abstract":"The gas phase spectrum of the methyl nitrene radical was first observed by Carrick and Engleking1and subsequently the first rotationally resolved spectrum was obtained by Carrick et al.2The use of the Kitt Peak Fourier transform spectrometer, to detect the emission from a corona excited supersonic expansion of methyl azaide in helium, yielded a rotationally resolved spectrum limited by Doppler broadening of 0.02 cm-1. The transition, assigned as \u0000 \u0000 \u0000 \u0000 \u0000 \u0000 A\u0000 ˜\u0000 \u0000 \u0000 3\u0000 \u0000 \u0000 \u0000 \u0000 E-\u0000 \u0000 X\u0000 ˜\u0000 \u0000 \u0000 \u0000 3\u0000 \u0000 \u0000 A\u0000 2\u0000 \u0000 \u0000 \u0000 analagous to the A3∏ −X3∑−band of NH, was still extremely complicated however. Due to the case (a) - case (b) nature of the transition 27 branches are allowed for each subband. Giving a total of 81 branches for the 0-1, 1-0 and 1-2 subbands, the only ones likely to be populated at 15 K the observed rotational temperature. Hence the observed transition is a many line spectrum with few branches discernable.","PeriodicalId":159025,"journal":{"name":"High Resolution Fourier Transform Spectroscopy","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132490922","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
High Resolution Spectra of Stratospheric Emission in the Spectral Range of 35 to 130 cm-1 35 ~ 130 cm-1光谱范围内平流层发射的高分辨率光谱
High Resolution Fourier Transform Spectroscopy Pub Date : 1900-01-01 DOI: 10.1364/hrfts.1992.fd2
I. Nolt, J. Park, M. Vanek, D. Jennings, F. Mencaraglia, B. Carli, M. Poggesi, E. Rossi, M. Carlotti, J. Radostitz
{"title":"High Resolution Spectra of Stratospheric Emission in the Spectral Range of 35 to 130 cm-1","authors":"I. Nolt, J. Park, M. Vanek, D. Jennings, F. Mencaraglia, B. Carli, M. Poggesi, E. Rossi, M. Carlotti, J. Radostitz","doi":"10.1364/hrfts.1992.fd2","DOIUrl":"https://doi.org/10.1364/hrfts.1992.fd2","url":null,"abstract":"High resolution measurements of the far infrared emission spectrum of the stratosphere were first obtained in 1978 following the Italian development of a balloon-borne Fourier transform spectrometer which used new HeNe laser technology to achieve an FTI mirror stroke of 75 cm. In four flights between 1978 and 1983, this instrument provided the highest resolution measurements for validating spectral database models of the far infrared atmospheric emission1, and for retrieving a number of important stratospheric trace species2. In 1988, an International Cooperative Program was instituted by NASA and the Italian Space Agency for the purpose of upgrading the performance of this instrument for use in the Correlative Measurement Program of the Upper Atmosphere Research Satellite.","PeriodicalId":159025,"journal":{"name":"High Resolution Fourier Transform Spectroscopy","volume":"314 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132682933","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
Wavenumber Standards 波数的标准
High Resolution Fourier Transform Spectroscopy Pub Date : 1900-01-01 DOI: 10.1364/hrfts.1992.thc2
Q. Kou, G. Guelachvili
{"title":"Wavenumber Standards","authors":"Q. Kou, G. Guelachvili","doi":"10.1364/hrfts.1992.thc2","DOIUrl":"https://doi.org/10.1364/hrfts.1992.thc2","url":null,"abstract":"The accuracy of the wavenumber measurements is often not as good as the level of their precision. To get better absolute line positions and to have this new advantage widely spread among all FT users, the need of a grid of consistent and accurate wavenumber standards is necessary. We review the present situation.","PeriodicalId":159025,"journal":{"name":"High Resolution Fourier Transform Spectroscopy","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133701075","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
High Resolution Fourier Transform Raman Spectroscopy of Gases 气体的高分辨率傅里叶变换拉曼光谱
High Resolution Fourier Transform Spectroscopy Pub Date : 1900-01-01 DOI: 10.1364/hrfts.1989.tua1
J. Bendtsen
{"title":"High Resolution Fourier Transform Raman Spectroscopy of Gases","authors":"J. Bendtsen","doi":"10.1364/hrfts.1989.tua1","DOIUrl":"https://doi.org/10.1364/hrfts.1989.tua1","url":null,"abstract":"Raman spectra of molecules in the gasphase yield information about the energy of the rotational and the rotational-vibrational states. This information may more easily be obtained from absorption spectroscopy in the microwave and infrared region, but the less restricted selection rules governing the Raman transitions yield information not measureable in absorption.","PeriodicalId":159025,"journal":{"name":"High Resolution Fourier Transform Spectroscopy","volume":"66 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131660788","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
FTS Observation of CO Fundamental Bands in Cool Stellar Atmospheres 低温恒星大气中CO基波段的FTS观测
High Resolution Fourier Transform Spectroscopy Pub Date : 1900-01-01 DOI: 10.1364/hrfts.1989.mb4
G. Wiedemann, T. Ayres, D. Jennings
{"title":"FTS Observation of CO Fundamental Bands in Cool Stellar Atmospheres","authors":"G. Wiedemann, T. Ayres, D. Jennings","doi":"10.1364/hrfts.1989.mb4","DOIUrl":"https://doi.org/10.1364/hrfts.1989.mb4","url":null,"abstract":"The infrared ro-vibration spectrum of carbon monoxide provides a powerful observational diagnostic for the investigation of late-type stellar atmospheres. At temperatures of several thousands of degrees, CO vibrational states up to v=7 and rotational states up to j≈100 are populated. The corresponding lines are formed over, and therefore probe, a large range in altitude. The strongest fundamental lines (Δv=1) originate in the upper photosphere and in the chromosphere, regions which are only inadequately described by present stellar atmosphere theories. Numerical simulations have shown that CO affects the stellar atmospheric structure through cooling in optically thin lines (e.g. Johnson, 1973). CO observations are important, because the model predictions can be tested reliably only from observations of species that are intimately involved. This is particularly true in view of the dilemma posed by the contradicting results of 'conventional' chromospheric diagnostics and first CO Δv=1 observations on the Sun (Ayres and Testerman, 1981) and Arcturus (Heasley et al., 1978). The present study has been conducted to establish CO fundamental bands as an observational diagnostic for the higher layers of cool stellar atmospheres.","PeriodicalId":159025,"journal":{"name":"High Resolution Fourier Transform Spectroscopy","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114767329","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
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