| Summary: | 博士 === 國立中央大學 === 光電科學與工程學系 === 103 === Base on the Kitty self-pumped phase conjugate mirror (Kitty-SPPCM), a study for the incidence geometry to extend the accepted incidence position is presented and demonstrated in this thesis. When the incidence position is changed, a Kitty-SPPCM with high-pass filtering and a different SPPCM similar to the Bridge-SPPCM can be found. These conjugators extend the accepted incidence position range and angle, and it is helpful to apply the SPPCM in various new applications. The counter-directional Kitty-SPPCM is applied to optimize digital optical phase conjugation (DOPC) system alignment. With the precise DOPC system, the probing light can focus a spot through a mice’s skin. However, there is always a limit in optical penetration depth. A novel method is presented to focus light inside thick bio-tissue by a virtual objective lens, and a four-wave mixing system forming the virtual objective lens is demonstrated in experiment. This research is helpful to the 4-pi, second harmonic generation (SHG) and flourensence microscopy.
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