Laser displacement-meter with long-working-distance for large precise structures

Taro Kawano, Kosei Ishimura

Research output: Contribution to conferencePaper

Abstract

A novel measurement apparatus with extremely high accuracy called Laser Displacement-meter with Long-working-distance (LDL) was developed to measure micro-meter-scale deformation of large space structures in the ground test. The combination of a laser source and a position sensitive detector makes it possible to measure accurately with long working distance. It is confirmed that LDL has the performance with 7 μm error at 6.1m working distance through the thermal deformation test of X-ray telescope satellite: ASTRO-H. Because LDL is compact and portable one, it can be applicable for measurement of other large objects such as buildings, bridges, and so on.

Original languageEnglish
Pages2402-2405
Number of pages4
Publication statusPublished - 2013 Jan 1
Externally publishedYes
Event2013 52nd Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2013 - Nagoya
Duration: 2013 Sep 142013 Sep 17

Other

Other2013 52nd Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2013
CityNagoya
Period13/9/1413/9/17

Fingerprint

Lasers
Telescopes
Light sources
Satellites
Detectors
X rays
Hot Temperature

Keywords

  • Opto-electronic measurement
  • Sensors and transducers
  • Ultra-high precision measurement

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Kawano, T., & Ishimura, K. (2013). Laser displacement-meter with long-working-distance for large precise structures. 2402-2405. Paper presented at 2013 52nd Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2013, Nagoya, .

Laser displacement-meter with long-working-distance for large precise structures. / Kawano, Taro; Ishimura, Kosei.

2013. 2402-2405 Paper presented at 2013 52nd Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2013, Nagoya, .

Research output: Contribution to conferencePaper

Kawano, T & Ishimura, K 2013, 'Laser displacement-meter with long-working-distance for large precise structures', Paper presented at 2013 52nd Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2013, Nagoya, 13/9/14 - 13/9/17 pp. 2402-2405.
Kawano T, Ishimura K. Laser displacement-meter with long-working-distance for large precise structures. 2013. Paper presented at 2013 52nd Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2013, Nagoya, .
Kawano, Taro ; Ishimura, Kosei. / Laser displacement-meter with long-working-distance for large precise structures. Paper presented at 2013 52nd Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2013, Nagoya, .4 p.
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