1
Mei H Sun, Kenneth A Wickersheim: Three-parameter optical fiber sensor and system. Luxtron Corporation, Majestic Parsons Siebert & Hsue, January 22, 1991: US04986671 (341 worldwide citation)

A single sensor is provided as part of a fiberoptic probe to measure up to three parameters, namely pressure (or force or displacement), temperature, and heat flow or fluid velocity. A solid elastomeric optical element is formed at the end of optical fiber transmission medium, and adjacent light ref ...


2
Kenneth A Wickersheim: Optical temperature measurement technique utilizing phosphors. Luxtron Corporation, Majestic Gallagher Parsons & Siebert, May 15, 1984: US04448547 (98 worldwide citation)

A technique of temperature measurement wherein an object or environment to be measured is provided with a phosphor material layer that emits at least two optically isolatable wavelength ranges whose intensity ratio depends upon the object or environment temperature, the emitted radiation being broug ...


3
Kenneth A Wickersheim: Optical temperature measurement techniques utilizing phosphors. Luxtron Corporation, Majestic Gallagher Parsons & Siebert, December 24, 1985: US04560286 (88 worldwide citation)

A technique of temperature measurement wherein an object or environment to be measured is provided with a phosphor material layer that emits at least two optically isolatable wavelength ranges whose intensity ratio depends upon the object or environment temperature, the emitted radiation being broug ...


4
Mei H Sun, Kenneth A Wickersheim, Stanley O Heinemann: Fiberoptic sensing of temperature and/or other physical parameters. Luxtron Corporation, Majestic Gallagher Parsons & Siebert, June 21, 1988: US04752141 (84 worldwide citation)

Several specific types of optical sensors capable of measuring temperature, pressure, force, acceleration, radiation and electrical fields, fluid level, vapor pressure, and the like, are disclosed, along with an electro-optical system for detecting the optical signal developed by the sensor. One suc ...


5
Kenneth A Wickersheim: Optical temperature measurement technique utilizing phosphors. Luxtron Corporation, Limbach Limbach & Sutton, July 29, 1980: US04215275 (81 worldwide citation)

A technique wherein an object or environment to be measured is provided with a phosphor material layer that emits at least two optically isolatable wavelength ranges whose intensity ratio depends upon the object or environment temperature. This technique is applied to remote hostile environment poin ...


6
Kenneth A Wickersheim: Optical temperature measurement technique utilizing phosphors. Ronald Alves, Limbach Limbach & Sutton, February 21, 1978: US04075493 (81 worldwide citation)

A technique wherein an object or environment to be measured is provided with a phosphor material layer that emits at least two optically isolatable wavelength ranges whose intensity ratio depends upon the object or environment temperature. This technique is applied to remote hostile environment poin ...


7
Kenneth A Wickersheim, Mei H Sun, Stanley O Heinemann: Optical temperature measurement techniques. Luxtron Corporation, Majestic Gallagher Parsons & Siebert, March 24, 1987: US04652143 (65 worldwide citation)

An optical temperature measurement technique that utilizes the decaying luminescent intensity characteristic of a sensor composed of a luminescent material that is excited to luminescence by a light pulse or other periodic or other intermittent source of radiation. The luminescent emissions of a pre ...


8
Kenneth A Wickersheim: Luminescent decay time measurements by use of a CCD camera. Luxtron Corporation, Majestic Parsons Siebert & Hsue, April 19, 1994: US05304809 (52 worldwide citation)

A video camera of a type using an array of charge coupled devices (CCDs) is utilized to measure a condition, such as temperature, by imaging onto the camera a luminescent signal which contains information of the signal's decay time. The luminescent decay time is measured by comparing, such as by rat ...


9
Kenneth A Wickersheim, Bruce E Adams: Temperature measurement with combined photo-luminescent and black body sensing techniques. Luxtron Corporation, Majestic Parsons Siebert & Hsue, February 2, 1993: US05183338 (50 worldwide citation)

High temperature range black body techniques are combined with lower temperature range photoluminescent techniques to provide an optical method and apparatus for measuring temperature over a very wide range. Among the various optical probe configurations disclosed which combine the black body and ph ...


10
Kenneth A Wickersheim, Mei H Sun, Stanley O Heinemann, Stanley O Hinemann: Optical temperature measurement techniques. Luxtron Corporation, Majestic Parsons Siebert & Hsue, December 6, 1988: US04789992 (38 worldwide citation)

An optical temperature measurement technique that utilizes the decaying luminescent intensity characteristic of a sensor composed of a luminescent material that is excited to luminescence by a light pulse or other periodic or other intermittent source of radiation. The luminescent emissions of a pre ...