When coherent light beams, ie, laser beams, are incident on one end of an optical fiber and
transmitted to another end to exit from there so as to form an output light spot on a screen …

(in English) When coherent light beams (laser beams) are incident on one end of an optical
fiber, transmitted to another end to exit from there so as to form an output light spot on a …

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 …

(in English) In order to investigate possibility of utilizing speckle patterns for sensing
application, a certain load was applied onto an optical fiber through which laser beams …

For the purpose of investigating possibilities of utilizing changes of speckle patterns, to be
observed in an output light spot from an optical fiber, due to external disturbance for sensing …

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 …

An optical fiber has been used in a wide area such as in communication system, a view
guide for diagnosis, applied optical sensor, etc. In such applications of the optical fiber …

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 …

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 …

A specklegram in a multimode fiber (MMF) has successfully been used as a sensor for
detecting external disturbance. Our experiments showed that the sensitivity in the sensor …