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Physics

Laser Wavelength and Frequency

Quick fact

A laser's wavelength determines its color, while its frequency tells us how much energy each photon carries.

Why this is interesting

Did you know that the color of a laser beam depends on how fast its light waves vibrate? This is all about wavelength and frequency.

Read the full explanation

Understanding Laser Wavelength and Frequency

Laser light has a specific wavelength, which is the distance between two peaks of the wave. Frequency refers to how many waves pass by in a second. These properties are linked through the speed of light, making them essential for controlling laser behavior.

A deeper explanation

Wavelength and frequency are inversely related via the equation c = λf (where c is the speed of light). Shorter wavelengths mean higher frequencies and more energy per photon, which affects how lasers interact with materials. This makes wavelength and frequency critical in applications like surgery, fiber optics, and precision cutting.

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