S. Shinohara

About

S. Shinohara is a researcher whose work sits at the intersection of optical sensing, laser-based measurement, and fiber optic data transmission. Best known for pioneering contributions to self-mixing laser diode (SM-LD) technology, Shinohara's most influential work introduced a compact, high-precision range finder capable of achieving remarkable accuracy of ±0.15% across a wide dynamic range of 0.2 to 1 meter using a single sensor head — a landmark 1992 paper that has garnered 90 citations and remains a foundational reference in laser ranging. Unlike conventional ultrasonic systems, this approach enabled focused, scannable light beams, significantly expanding practical measurement possibilities. Shinohara further extended SM-LD applications to vibrational displacement sensing, developing real-time analog output systems and demonstrating simultaneous range and velocity measurement for slowly moving targets with rough surfaces. Complementing this optical sensing portfolio, Shinohara also addressed practical challenges in analog data transmission through plastic optical fiber, devising differential amplifier compensation schemes to correct bending-loss errors — work applied directly to robotics contexts. Across multiple publications spanning the early 1990s to 2003, Shinohara's research reflects a consistent drive to make high-precision optical measurement systems compact, reliable, and deployable in real-world engineering environments.

Research Focus

Key Achievements

Top Papers

1. 1
   Compact and high-precision range finder with wide dynamic range and its application

   90 citations · 1992
2. 2
   Analog data transmission through plastic optical fiber in robot with compensation of errors caused by optical fiber bending loss

   10 citations · 2001
3. 3
   Data collection and transmission system for vibration test

   5 citations · 2002
4. 4
   Compact and fast vibrational displacement sensor with real-time analog electrical output using self-mixing laser diode

   4 citations · 2002
5. 5
   High-precision range finder for slowly moving target with rough surface

   4 citations · 2002
6. 6
   High-resolution range finder with wide dynamic range of 0.2 m to 1 m using a frequency-modulated laser diode

   3 citations · 2003
7. 7
   Compact and high-precision range finder with wide dynamic range using one sensor head

   2 citations · 2002

Key Collaborators

Contact & Links