The development of a light-collecting probe with high spatial resolution applicable to randomly fluctuating combustion fields

Fumiteru Akamatsu, Takashi Wakabayashi, Shohji Tsushima, Masashi Katsuki, Yukio Mizutani, Yuji Ikeda, Nobuyuki Kawahara, Tsuyoshi Nakajima

Research output: Contribution to journalArticle

87 Citations (Scopus)

Abstract

A high-luminosity-light-collection system for highly spatial detection of chemiluminescence of radical species in flames has been developed. The system, multi-colour integrated Cassegrain receiving optics (MICRO) is based upon a Cassegrain-type configuration, which implies that it employs only reflective components (in combination with an optical fibre for light collection). It provides therefore spherical-and chromatic-aberration-free detection, which is of importance for high-spatial-resolution measurements and for the simultaneous monitoring of signals in different wavelength regions from a given spatial volume. The effective light-collection volume has been estimated to be only 1.6 mm × 0.2 mm × 0.2 mm by ray-tracing techniques, which is more than three orders of magnitude smaller than that provided by a corresponding simple single-lens system and comparable to that of laser-based techniques, e.g. Doppler anemometry. The system is also easily aligned since the active probe volume can be visualized by sending in visible light through the system in the reverse direction. In order to demonstrate the performance of the system, OH-radical chemiluminescence in a Bunsen flame was monitored using MICRO and compared with the ion-current signal from a Langmuir probe with a minute sensor tip. A good correlation between the fluctuations in the two signals could be obtained, proving the high spatial and temporal resolution of the MICRO system.

Original languageEnglish
Pages (from-to)1240-1246
Number of pages7
JournalMeasurement Science and Technology
Volume10
Issue number12
DOIs
Publication statusPublished - Dec 1999
Externally publishedYes

Fingerprint

light beams
Spatial Resolution
Combustion
Probe
High Resolution
spatial resolution
Optics
Chemiluminescence
high resolution
chemiluminescence
optics
Color
color
flames
Langmuir probes
Flame
Optical resolving power
Ray tracing
electrostatic probes
Aberrations

Keywords

  • Cassegrain optics
  • Chemiluminescence
  • Combustion diagnostics
  • Combustion-reaction detection
  • Light-detection optics
  • Point measurement

ASJC Scopus subject areas

  • Polymers and Plastics
  • Ceramics and Composites
  • Materials Science (miscellaneous)

Cite this

The development of a light-collecting probe with high spatial resolution applicable to randomly fluctuating combustion fields. / Akamatsu, Fumiteru; Wakabayashi, Takashi; Tsushima, Shohji; Katsuki, Masashi; Mizutani, Yukio; Ikeda, Yuji; Kawahara, Nobuyuki; Nakajima, Tsuyoshi.

In: Measurement Science and Technology, Vol. 10, No. 12, 12.1999, p. 1240-1246.

Research output: Contribution to journalArticle

Akamatsu, Fumiteru ; Wakabayashi, Takashi ; Tsushima, Shohji ; Katsuki, Masashi ; Mizutani, Yukio ; Ikeda, Yuji ; Kawahara, Nobuyuki ; Nakajima, Tsuyoshi. / The development of a light-collecting probe with high spatial resolution applicable to randomly fluctuating combustion fields. In: Measurement Science and Technology. 1999 ; Vol. 10, No. 12. pp. 1240-1246.
@article{3cf4ac0447a6401b8012672583299fa6,
title = "The development of a light-collecting probe with high spatial resolution applicable to randomly fluctuating combustion fields",
abstract = "A high-luminosity-light-collection system for highly spatial detection of chemiluminescence of radical species in flames has been developed. The system, multi-colour integrated Cassegrain receiving optics (MICRO) is based upon a Cassegrain-type configuration, which implies that it employs only reflective components (in combination with an optical fibre for light collection). It provides therefore spherical-and chromatic-aberration-free detection, which is of importance for high-spatial-resolution measurements and for the simultaneous monitoring of signals in different wavelength regions from a given spatial volume. The effective light-collection volume has been estimated to be only 1.6 mm × 0.2 mm × 0.2 mm by ray-tracing techniques, which is more than three orders of magnitude smaller than that provided by a corresponding simple single-lens system and comparable to that of laser-based techniques, e.g. Doppler anemometry. The system is also easily aligned since the active probe volume can be visualized by sending in visible light through the system in the reverse direction. In order to demonstrate the performance of the system, OH-radical chemiluminescence in a Bunsen flame was monitored using MICRO and compared with the ion-current signal from a Langmuir probe with a minute sensor tip. A good correlation between the fluctuations in the two signals could be obtained, proving the high spatial and temporal resolution of the MICRO system.",
keywords = "Cassegrain optics, Chemiluminescence, Combustion diagnostics, Combustion-reaction detection, Light-detection optics, Point measurement",
author = "Fumiteru Akamatsu and Takashi Wakabayashi and Shohji Tsushima and Masashi Katsuki and Yukio Mizutani and Yuji Ikeda and Nobuyuki Kawahara and Tsuyoshi Nakajima",
year = "1999",
month = "12",
doi = "10.1088/0957-0233/10/12/316",
language = "English",
volume = "10",
pages = "1240--1246",
journal = "Measurement Science and Technology",
issn = "0957-0233",
publisher = "IOP Publishing Ltd.",
number = "12",

}

TY - JOUR

T1 - The development of a light-collecting probe with high spatial resolution applicable to randomly fluctuating combustion fields

AU - Akamatsu, Fumiteru

AU - Wakabayashi, Takashi

AU - Tsushima, Shohji

AU - Katsuki, Masashi

AU - Mizutani, Yukio

AU - Ikeda, Yuji

AU - Kawahara, Nobuyuki

AU - Nakajima, Tsuyoshi

PY - 1999/12

Y1 - 1999/12

N2 - A high-luminosity-light-collection system for highly spatial detection of chemiluminescence of radical species in flames has been developed. The system, multi-colour integrated Cassegrain receiving optics (MICRO) is based upon a Cassegrain-type configuration, which implies that it employs only reflective components (in combination with an optical fibre for light collection). It provides therefore spherical-and chromatic-aberration-free detection, which is of importance for high-spatial-resolution measurements and for the simultaneous monitoring of signals in different wavelength regions from a given spatial volume. The effective light-collection volume has been estimated to be only 1.6 mm × 0.2 mm × 0.2 mm by ray-tracing techniques, which is more than three orders of magnitude smaller than that provided by a corresponding simple single-lens system and comparable to that of laser-based techniques, e.g. Doppler anemometry. The system is also easily aligned since the active probe volume can be visualized by sending in visible light through the system in the reverse direction. In order to demonstrate the performance of the system, OH-radical chemiluminescence in a Bunsen flame was monitored using MICRO and compared with the ion-current signal from a Langmuir probe with a minute sensor tip. A good correlation between the fluctuations in the two signals could be obtained, proving the high spatial and temporal resolution of the MICRO system.

AB - A high-luminosity-light-collection system for highly spatial detection of chemiluminescence of radical species in flames has been developed. The system, multi-colour integrated Cassegrain receiving optics (MICRO) is based upon a Cassegrain-type configuration, which implies that it employs only reflective components (in combination with an optical fibre for light collection). It provides therefore spherical-and chromatic-aberration-free detection, which is of importance for high-spatial-resolution measurements and for the simultaneous monitoring of signals in different wavelength regions from a given spatial volume. The effective light-collection volume has been estimated to be only 1.6 mm × 0.2 mm × 0.2 mm by ray-tracing techniques, which is more than three orders of magnitude smaller than that provided by a corresponding simple single-lens system and comparable to that of laser-based techniques, e.g. Doppler anemometry. The system is also easily aligned since the active probe volume can be visualized by sending in visible light through the system in the reverse direction. In order to demonstrate the performance of the system, OH-radical chemiluminescence in a Bunsen flame was monitored using MICRO and compared with the ion-current signal from a Langmuir probe with a minute sensor tip. A good correlation between the fluctuations in the two signals could be obtained, proving the high spatial and temporal resolution of the MICRO system.

KW - Cassegrain optics

KW - Chemiluminescence

KW - Combustion diagnostics

KW - Combustion-reaction detection

KW - Light-detection optics

KW - Point measurement

UR - http://www.scopus.com/inward/record.url?scp=0033297080&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0033297080&partnerID=8YFLogxK

U2 - 10.1088/0957-0233/10/12/316

DO - 10.1088/0957-0233/10/12/316

M3 - Article

AN - SCOPUS:0033297080

VL - 10

SP - 1240

EP - 1246

JO - Measurement Science and Technology

JF - Measurement Science and Technology

SN - 0957-0233

IS - 12

ER -