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Fabrication and cha...
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Ashraf, Shakeel,1984-Mittuniversitetet,Institutionen för elektronikkonstruktion
(author)
Fabrication and characterization of a SU8-epoxy membrane based thermopile detector with an integrated multilayered absorber structure for the mid-IR region
- Article/chapterEnglish2019
Publisher, publication year, extent ...
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2019
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:miun-35525
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https://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-35525URI
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https://doi.org/10.1109/JSEN.2019.2896668DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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This paper reports on the fabrication and characterization of a thermopile detector with an integrated mid-infrared absorber structure. The fabricated absorber structure has shown an absorption of more than 95% in the wavelength range of 3.2 – 5.47 μm. The detector was fabricated with standard cleanroom process techniques and equipment. The serial resistance was measured at about 315 kΩ at room temperature. The photosensitivity of the detector was characterized for a signle wavelength (4.26 µm) and a band of wavelength ranging from 2.5 –5.5 µm through two different measurement setups. In the first measurement setup, the photosensitivity was estimated at 57.5 V·mm2·W-1 through a MEMS-based infrared radiation source and with an optical band-pass filter of wavelength 4.26µm. The following characterization was performed to characterise the photosensitivity of the detector in a broader wavelength range. This measurement was taken using a monochromator setup utilizing a reference photodetector for calculations of the optical power of the infrared source. The photosensitivity and the specific detectivity (D*) of the fabricated detector were measured to values of 30-92 V·W-1 and 8.0×107-2.4×108 cm·Hz1/2·W-1, respectively, in the wavelength range of 2.8 – 5 µm. The time constant was estimated to around 21 ms
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Mattsson, Claes,1978-Mittuniversitetet,Institutionen för elektronikkonstruktion(Swepub:miun)clamat
(author)
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Thungström, Göran,1960-Mittuniversitetet,Institutionen för elektronikkonstruktion(Swepub:miun)gorthu
(author)
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MittuniversitetetInstitutionen för elektronikkonstruktion
(creator_code:org_t)
Related titles
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In:IEEE Sensors Journal19:11, s. 4000-40071530-437X1558-1748
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