What does an optical chopper do?

What does an optical chopper do?

• A. Amplifies the intensity of light
• B. Modulates light intensity by interrupting a beam
• C. Reflects light to create patterns
• D. Converts light energy into sound energy

Answer: (B)

An optical chopper modulates light intensity by periodically interrupting a beam of light. This device operates by creating intervals in the light path, allowing the light to be turned on and off at a specific frequency. As the light beam is interrupted, it introduces a modulation effect, which is essential in various applications such as experimental physics and optical communications. The ability to control the intensity of light in this way can be crucial for experiments that require precise measurements of light intensity or for systems where specific timing of light pulses is necessary. This modulation can affect how light interacts with materials or how it is detected by sensors, making it a valuable tool in the field of optics.

An optical chopper modulates light intensity by periodically interrupting a beam of light. This device operates by creating intervals in the light path, allowing the light to be turned on and off at a specific frequency. As the light beam is interrupted, it introduces a modulation effect, which is essential in various applications such as experimental physics and optical communications.

The ability to control the intensity of light in this way can be crucial for experiments that require precise measurements of light intensity or for systems where specific timing of light pulses is necessary. This modulation can affect how light interacts with materials or how it is detected by sensors, making it a valuable tool in the field of optics.