Changes in speckle patterns induced by load application onto an optical fiber and its detection through image processing
M Hasegawa, Y Shimizu… - … Symposium on Advanced …, 2014 - spiedigitallibrary.org
Speckle patterns observed in an output light spot from an optical fiber are likely to be
changed due to external disturbances applied to the fiber, and such changes can be utilized …
changed due to external disturbances applied to the fiber, and such changes can be utilized …
Changes in speckle patterns induced by load application onto an optical fiber and its possible application for sensing purpose
M Hasegawa, J Okumura… - … Conference on Optical …, 2015 - spiedigitallibrary.org
Speckle patterns to be observed in an output light spot from an optical fiber are known to be
changed due to external disturbances applied onto the optical fiber. In order to investigate …
changed due to external disturbances applied onto the optical fiber. In order to investigate …
Preliminary investigations on changes in speckle patterns projected from a multimode optical fiber due to external disturbances to be applied onto the fiber
M Hasegawa - Optical Engineering, 2016 - spiedigitallibrary.org
Changes in speckle patterns due to certain external disturbances to be applied onto a
multimode optical fiber were observed. In the first attempt, a multimode optical glass fiber …
multimode optical fiber were observed. In the first attempt, a multimode optical glass fiber …
Speckle pattern rotation and a detection scheme for its rotation angle
M Hasegawa, K Yamamoto… - … and Imaging 2013 …, 2013 - spiedigitallibrary.org
When coherent light beams, ie, laser beams are transmitted in an optical fiber and exit from
one end to form an output light spot on a screen, non-uniform intensity distribution called …
one end to form an output light spot on a screen, non-uniform intensity distribution called …
Changes in speckle patterns in an output light spot from an optical fiber to be caused by load application of small weight level
M Hasegawa, T Chiba… - … Sensor Systems and …, 2021 - spiedigitallibrary.org
For the purpose of utilizing changes in speckle patterns to be observed in an output light
spot from an optical fiber for sensing applications, certain load was applied onto an optical …
spot from an optical fiber for sensing applications, certain load was applied onto an optical …
Detection of load application onto an optical fiber through changes in speckle patterns in an output light spot
M Hasegawa, R Takeda… - … Symposium on Advanced …, 2016 - spiedigitallibrary.org
For the purpose of investigating possibilities of utilizing, for sensing application, changes in
speckle patterns to be observed in an output light spot from an optical fiber due to external …
speckle patterns to be observed in an output light spot from an optical fiber due to external …