Fluctuations of optical phase of diffracted light for Raman–Nath diffraction in acousto–optic effect<xref ref-type="fn" rid="cpb141126fn1">*</xref>

Fluctuations of optical phase of diffracted light for Raman–Nath diffraction in acousto–optic effect*

Weng Cun-Cheng^a),^b), Zhang Xiao-Man^b),^c)†

Fig.#cod#x00A0;2. Schematic diagram of experimental setup. U: ultrasonic transducer and its driver; DO: digital oscilloscope; A: amplifier; P: photomultiplier; PH: pinhole; DW: distilled water; L: laser light; CL: convex lens.