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Design review of an instrument for spectroscopic total integrated light scattering measurements in the visible wavelength region
Department of Technology, Uppsala University, Uppsala, Sweden.ORCID-id: 0000-0003-2887-049X
Swedish Institute of Space Physics, Uppsala Division, Uppsala, Sweden.
1994 (Engelska)Ingår i: Review of Scientific Instruments, ISSN 0034-6748, E-ISSN 1089-7623, Vol. 65, nr 2, s. 327-334Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

A spectroscopic total integrated scattering instrument, which uses a focusing sphere and a broadband light source, has been constructed. It records total reflectance and transmittance spectroscopically, in the wavelength region 400-1000 nm. Diffuse reflectance and transmittance values below 10-4 can be registered. These measurements require low scattering optical components and low noise electronics. Design details are given about the detection system, particularly the low noise preamplifier. The purpose of the instrument is to measure diffuse reflectance and transmittance spectra of interference coatings. Such spectra can give information about the amplitude of the roughness of the interfaces and reveal if the interfaces are topographically correlated or uncorrelated. Examples of spectra in both reflectance and transmittance mode are given.

Ort, förlag, år, upplaga, sidor
1994. Vol. 65, nr 2, s. 327-334
Nyckelord [en]
Equivalent circuits; Interfaces (materials); Light measurement; Light reflection; Light scattering; Optical coatings; Optical design; Optical systems; Photodetectors; Photodiodes; Sensitivity analysis; Spectrum analysis, Interference coatings; Preamplifier; Total integrated scatter instrument, Spectrometers
Nationell ämneskategori
Elektroteknik och elektronik Fysik
Identifikatorer
URN: urn:nbn:se:hig:diva-23232DOI: 10.1063/1.1145191ISI: A1994MX03200006Scopus ID: 2-s2.0-0028368633OAI: oai:DiVA.org:hig-23232DiVA, id: diva2:1062888
Tillgänglig från: 2017-01-09 Skapad: 2017-01-05 Senast uppdaterad: 2018-03-13Bibliografiskt granskad

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