Last Updated：2025/11/21

(physics) An optical device that generates a parallel beam of light. Often used to compensate for laser beam divergence.

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collimator

Source Word

collimator

Noun

(physics) An optical device that generates a parallel beam of light. Often used to compensate for laser beam divergence.

Japanese Meaning

平行な光線を生成する光学装置。レーザービームの発散補正など、光路を整えるために使用される。

To improve the laser's focus, the lab technician adjusted the collimator before experiments.

レーザーの焦点を改善するために、研究室の技術者は実験の前に平行光束を作る光学装置を調整した。

Sense（1）

(physics) An optical device that generates a parallel beam of light. Often used to compensate for laser beam divergence.

Sense（2）

(physics) A similar device that produces a parallel beam of particles such as neutrons.

Sense（3）

(astronomy) A small telescope attached to a larger one, used to point it in the correct general direction.

collimators

（ plural ）