Ruprecht A K, Wiesendanger T F, Tiziani H J
Institut für Technische Optik, Pfaffenwaldring 9, 70569 Stuttgart, Germany.
Opt Lett. 2004 Sep 15;29(18):2130-2. doi: 10.1364/ol.29.002130.
Chromatic confocal microscopy has the advantage of short measurement times because of its parallel depth scan. As most white-light sources have limited optical output power, light-efficient setups are necessary. Using an extended detection pinhole is one way to improve light efficiency. We have calculated the effect of extended pinholes in chromatic confocal setups. We found that, for certain pinhole sizes, the FWHM of the confocal signal is nearly constant over a large wavelength interval.
由于采用平行深度扫描，彩色共聚焦显微镜具有测量时间短的优势。由于大多数白光源的光输出功率有限，因此需要高效的光路设置。使用扩展检测针孔是提高光效率的一种方法。我们已经计算了扩展针孔在彩色共聚焦光路设置中的效果。我们发现，对于特定的针孔尺寸，共聚焦信号的半高宽在很大的波长区间内几乎保持恒定。
