Use of the predictable quantum efficient detector with light sources of uncontrolled state of polarization

Meelis Sildoja, Timo Dönsberg, Henrik Mäntynen, Mikko Merimaa, Farshid Manoocheri, Erkki Ikonen

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

Abstract

Analysis of the reflectance losses of the predictable quantum efficient detector (PQED) operated at room temperature is presented. An efficient method of using the ratio of photocurrents from the two photodiodes of the PQED is developed to determine the reflectance losses without direct measurement of the reflectance for an unknown state of polarization of the incident light. A detailed analysis is presented to estimate the associated reflectance losses for detectors with either seven or nine internal reflections. For the 7-reflection PQED, the relative standard uncertainty component of spectral responsivity due to reflectance loss correction can be reduced mostly below 100 ppm with the photocurrent ratio measurement whereas for the 9-reflection PQED the uncertainties remain below 20 ppm in the wavelength range from 400 to 900 nm with an uncontrolled polarization state of the incident light.

Original languageEnglish
Article number015203
JournalMeasurement Science and Technology
Volume25
Issue number1
DOIs
Publication statusPublished - 1 Jan 2014
MoE publication typeA1 Journal article-refereed

Fingerprint

Reflectance
Light sources
light sources
Polarization
Detector
Detectors
reflectance
detectors
polarization
photocurrents
Uncertainty
Photocurrents
Responsivity
Photodiode
photodiodes
Wavelength
Internal
Unknown
Photodiodes
room temperature

Keywords

  • optical metrology
  • optical standards
  • polarization
  • radiometry
  • silicon photodiodes

Cite this

Sildoja, Meelis ; Dönsberg, Timo ; Mäntynen, Henrik ; Merimaa, Mikko ; Manoocheri, Farshid ; Ikonen, Erkki. / Use of the predictable quantum efficient detector with light sources of uncontrolled state of polarization. In: Measurement Science and Technology. 2014 ; Vol. 25, No. 1.
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abstract = "Analysis of the reflectance losses of the predictable quantum efficient detector (PQED) operated at room temperature is presented. An efficient method of using the ratio of photocurrents from the two photodiodes of the PQED is developed to determine the reflectance losses without direct measurement of the reflectance for an unknown state of polarization of the incident light. A detailed analysis is presented to estimate the associated reflectance losses for detectors with either seven or nine internal reflections. For the 7-reflection PQED, the relative standard uncertainty component of spectral responsivity due to reflectance loss correction can be reduced mostly below 100 ppm with the photocurrent ratio measurement whereas for the 9-reflection PQED the uncertainties remain below 20 ppm in the wavelength range from 400 to 900 nm with an uncontrolled polarization state of the incident light.",
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Use of the predictable quantum efficient detector with light sources of uncontrolled state of polarization. / Sildoja, Meelis; Dönsberg, Timo; Mäntynen, Henrik; Merimaa, Mikko; Manoocheri, Farshid; Ikonen, Erkki.

In: Measurement Science and Technology, Vol. 25, No. 1, 015203, 01.01.2014.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Use of the predictable quantum efficient detector with light sources of uncontrolled state of polarization

AU - Sildoja, Meelis

AU - Dönsberg, Timo

AU - Mäntynen, Henrik

AU - Merimaa, Mikko

AU - Manoocheri, Farshid

AU - Ikonen, Erkki

PY - 2014/1/1

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N2 - Analysis of the reflectance losses of the predictable quantum efficient detector (PQED) operated at room temperature is presented. An efficient method of using the ratio of photocurrents from the two photodiodes of the PQED is developed to determine the reflectance losses without direct measurement of the reflectance for an unknown state of polarization of the incident light. A detailed analysis is presented to estimate the associated reflectance losses for detectors with either seven or nine internal reflections. For the 7-reflection PQED, the relative standard uncertainty component of spectral responsivity due to reflectance loss correction can be reduced mostly below 100 ppm with the photocurrent ratio measurement whereas for the 9-reflection PQED the uncertainties remain below 20 ppm in the wavelength range from 400 to 900 nm with an uncontrolled polarization state of the incident light.

AB - Analysis of the reflectance losses of the predictable quantum efficient detector (PQED) operated at room temperature is presented. An efficient method of using the ratio of photocurrents from the two photodiodes of the PQED is developed to determine the reflectance losses without direct measurement of the reflectance for an unknown state of polarization of the incident light. A detailed analysis is presented to estimate the associated reflectance losses for detectors with either seven or nine internal reflections. For the 7-reflection PQED, the relative standard uncertainty component of spectral responsivity due to reflectance loss correction can be reduced mostly below 100 ppm with the photocurrent ratio measurement whereas for the 9-reflection PQED the uncertainties remain below 20 ppm in the wavelength range from 400 to 900 nm with an uncontrolled polarization state of the incident light.

KW - optical metrology

KW - optical standards

KW - polarization

KW - radiometry

KW - silicon photodiodes

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DO - 10.1088/0957-0233/25/1/015203

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JO - Measurement Science and Technology

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SN - 0957-0233

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