“beam expander”的概念、定义、翻译、参考文献-科学参考

单词	beam expander
释义	beam expander [`bēm ik´span·dǝr] ^OPTICS A combination of optical elements used to increase the diameter of a laser beam or other light beam.
随便看	resonant-line oscillator resonant-line tuner resonant-mode power supply resonant Raman effect resonant reaction resonant-reed relay resonant resistance resonant scattering resonant voltage step-up resonant wavelength resonant window resonate resonating cavity resonator resonator grid resonator wavemeter Flesh-Demag process fleshing machine fleshy fruit Fletcher-Munson contour Fletcher radial burner Flettner windmill flex Flexibacter Flexibilia

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