Matches in SemOpenAlex for { <https://semopenalex.org/work/W2045591435> ?p ?o ?g. }
Showing items 1 to 90 of
90
with 100 items per page.
- W2045591435 abstract "The performance of GaAs/AlGaAs multiple quantum well infrared detectors is studied theoretically and experimentally, with special emphasis on 8-12 μm thermal imaging applications. The dependence of detector performance on various factors like light coupling configurations (one and two dimensional reflection gratings or 45° polished edge), detector temperature, response wavelength and quantum well doping density is dealt with. An absorption quantum efficiency of 87% is demonstrated using a crossed grating and a waveguide (CGW). It is also found that an optimised 34 μm × 34 μm detector (a detector size suitable for large staring arrays, i.e. 256 × 256 or larger) with 9.0 μm cut-off wavelength, f# = 2 optics and 70% optical transmission reaches background limited operation at 74 K detector temperature. The potential of making highly uniform staring arrays utilising the mature GaAs material and processing technology is demonstrated by uniformity measurements of detector dark current. The experiments show that a metalorganic vapour phase epitaxy (MOVPE) grown structure can have a dark current standard deviation to mean value ratio over a 10mm long linear detector array of less than 2%. The staring array performance in terms of noise equivalent temperature difference (temporal NETD) is calculated to NETD < 20 mK at 77 K detector temperature and NETD < 10 mK at 70 K detector temperature." @default.
- W2045591435 created "2016-06-24" @default.
- W2045591435 creator A5076712641 @default.
- W2045591435 creator A5077180048 @default.
- W2045591435 creator A5077570377 @default.
- W2045591435 date "1994-01-01" @default.
- W2045591435 modified "2023-10-18" @default.
- W2045591435 title "GaAs/AlGaAs quantum well infrared photodetector arrays for thermal imaging applications" @default.
- W2045591435 cites W1981660287 @default.
- W2045591435 cites W1988001855 @default.
- W2045591435 cites W1999442702 @default.
- W2045591435 cites W2010901231 @default.
- W2045591435 cites W2027748231 @default.
- W2045591435 cites W2033411632 @default.
- W2045591435 cites W2041352949 @default.
- W2045591435 cites W2044165414 @default.
- W2045591435 cites W2046511708 @default.
- W2045591435 cites W2057362420 @default.
- W2045591435 cites W2077239188 @default.
- W2045591435 cites W2157638968 @default.
- W2045591435 doi "https://doi.org/10.1088/0031-8949/1994/t54/031" @default.
- W2045591435 hasPublicationYear "1994" @default.
- W2045591435 type Work @default.
- W2045591435 sameAs 2045591435 @default.
- W2045591435 citedByCount "3" @default.
- W2045591435 crossrefType "journal-article" @default.
- W2045591435 hasAuthorship W2045591435A5076712641 @default.
- W2045591435 hasAuthorship W2045591435A5077180048 @default.
- W2045591435 hasAuthorship W2045591435A5077570377 @default.
- W2045591435 hasConcept C110738630 @default.
- W2045591435 hasConcept C120665830 @default.
- W2045591435 hasConcept C121332964 @default.
- W2045591435 hasConcept C125287762 @default.
- W2045591435 hasConcept C158355884 @default.
- W2045591435 hasConcept C159985019 @default.
- W2045591435 hasConcept C175665537 @default.
- W2045591435 hasConcept C180651308 @default.
- W2045591435 hasConcept C192562407 @default.
- W2045591435 hasConcept C205507967 @default.
- W2045591435 hasConcept C23125352 @default.
- W2045591435 hasConcept C2778448536 @default.
- W2045591435 hasConcept C2779227376 @default.
- W2045591435 hasConcept C2779818494 @default.
- W2045591435 hasConcept C49040817 @default.
- W2045591435 hasConcept C6260449 @default.
- W2045591435 hasConcept C94915269 @default.
- W2045591435 hasConceptScore W2045591435C110738630 @default.
- W2045591435 hasConceptScore W2045591435C120665830 @default.
- W2045591435 hasConceptScore W2045591435C121332964 @default.
- W2045591435 hasConceptScore W2045591435C125287762 @default.
- W2045591435 hasConceptScore W2045591435C158355884 @default.
- W2045591435 hasConceptScore W2045591435C159985019 @default.
- W2045591435 hasConceptScore W2045591435C175665537 @default.
- W2045591435 hasConceptScore W2045591435C180651308 @default.
- W2045591435 hasConceptScore W2045591435C192562407 @default.
- W2045591435 hasConceptScore W2045591435C205507967 @default.
- W2045591435 hasConceptScore W2045591435C23125352 @default.
- W2045591435 hasConceptScore W2045591435C2778448536 @default.
- W2045591435 hasConceptScore W2045591435C2779227376 @default.
- W2045591435 hasConceptScore W2045591435C2779818494 @default.
- W2045591435 hasConceptScore W2045591435C49040817 @default.
- W2045591435 hasConceptScore W2045591435C6260449 @default.
- W2045591435 hasConceptScore W2045591435C94915269 @default.
- W2045591435 hasLocation W20455914351 @default.
- W2045591435 hasOpenAccess W2045591435 @default.
- W2045591435 hasPrimaryLocation W20455914351 @default.
- W2045591435 hasRelatedWork W142326761 @default.
- W2045591435 hasRelatedWork W1988284115 @default.
- W2045591435 hasRelatedWork W1991957060 @default.
- W2045591435 hasRelatedWork W1993176894 @default.
- W2045591435 hasRelatedWork W2009881970 @default.
- W2045591435 hasRelatedWork W2043170374 @default.
- W2045591435 hasRelatedWork W2049473829 @default.
- W2045591435 hasRelatedWork W2058407821 @default.
- W2045591435 hasRelatedWork W2060790259 @default.
- W2045591435 hasRelatedWork W2064730551 @default.
- W2045591435 hasRelatedWork W2065945160 @default.
- W2045591435 hasRelatedWork W2066951223 @default.
- W2045591435 hasRelatedWork W2082134149 @default.
- W2045591435 hasRelatedWork W2084635750 @default.
- W2045591435 hasRelatedWork W2205795727 @default.
- W2045591435 hasRelatedWork W2530580478 @default.
- W2045591435 hasRelatedWork W26041113 @default.
- W2045591435 hasRelatedWork W2947260899 @default.
- W2045591435 hasRelatedWork W2970417834 @default.
- W2045591435 hasRelatedWork W2090078188 @default.
- W2045591435 isParatext "false" @default.
- W2045591435 isRetracted "false" @default.
- W2045591435 magId "2045591435" @default.
- W2045591435 workType "article" @default.