準直鏡組件

一般與空間濾波器組件組合使用，把激光光束轉化為平行光束的組件。

• A component for converting a laser beam into parallel light, together with spatial filter component.
• Employs a spherical achromatic lens for improved wave fronts.
• The three-axis lens holder allows easy fine-tuning of the optical axis direction.
• Allows accurate collimation when combined with a collimation checker component.

斐索乾涉機

• Fizeau interferometer uses optical path differences between optical paths L1 and L2 in the figure.
• Most widespread interferometer; enables measurement of flat and spherical surfaces using a simple configuration.
• Its reference and measurement optical paths are the same, ma

新手教學

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