Abstract
A mirror vibration induces a space rotation, and accordingly, phenomena in the time domain are converted to spatial distributions. This time-space conversion realizes high-speed measurements that exceed the operation limit of instruments. In this study, a time-resolved spectrometry was conducted by using slow optical devices, i.e., a continuous-wave laser diode, a CCD-based spectrometer (exposure time: 1 s), and a galvano-mirror (30 Hz). In comparison with pulsed lasers, the continuous-wave laser is advantageous for continuous integration of weak fluorescence. Experiments were conducted with fluorescent lanthanide solutions to examine the validity of this method.
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