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Variable holographic femtosecond laser processing by use of a spatial light modulator
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View: Figures


Image of FIG. 1.
FIG. 1.

Experimental setup.

Image of FIG. 2.
FIG. 2.

(a) A target pattern for calculating a CGH, (b) the calculated CGH, (c) the computational reconstruction of the CGH, (d) the optical reconstruction of the CGH at the plane P, (e) a transmission microscope image, and (f) an AFM image of the fabricated area. The vertical scale of the AFM profile is .

Image of FIG. 3.
FIG. 3.

(a) The CGH generates nine vertically arrayed beams. Transmitted microscope images of the temporal change of the fabrication pattern, when the CGH on the LCSLM is switched (b) on and (c) off. (d) Upper trace shows the temporal intensity change of the diffraction beam under cw laser illumination, when the CGH is switched on and off, as indicated in the lower trace.

Image of FIG. 4.
FIG. 4.

Transmitted microscope image of the pattern fabricated with a combination of holographic technique and scanning technique. Each character is fabricated with a single pulse with a repetition rate of .


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Variable holographic femtosecond laser processing by use of a spatial light modulator