Definition

1. Noun:
   • An optical instrument for detecting or measuring the rotation of the plane of vibration of polarized light: A polariscope is a device used to study the optical properties of materials, particularly their ability to rotate the plane of polarized light or to exhibit double refraction. It is commonly used in fields like mineralogy, chemistry, and stress analysis.

Usage Examples

• Noun:
  • The geologist used a polariscope to examine the crystal structure of the mineral sample.
  • In the laboratory, a polariscope is essential for analyzing the optical activity of sugar solutions.

Advanced Usage

• In material science: A polariscope can be used for photoelastic stress analysis, where transparent models are placed between polarizing filters to visualize stress patterns.
  • Engineers employed a polariscope to study the stress distribution in the plastic component.

Variants and Related Words

• Polarimeter (n): A related instrument specifically designed for measuring the angle of rotation caused by optical activity, often used interchangeably in some contexts but typically more quantitative.
  • The chemist used a polarimeter to determine the concentration of the chiral compound.
• Polarization (n): The process or state of restricting the vibrations of light waves to a single plane.
• Polarizer (n): A filter that produces polarized light from an ordinary light source.

Synonyms

• Polarimeter: (Note: While closely related and sometimes used synonymously, a polarimeter is often a more precise, quantitative version of a polariscope.)
• Optical analyzer: A general term for devices that analyze the properties of light.

Related Phrases

• To view through a polariscope: The act of using the instrument for observation.
  • The researcher viewed the strained glass through a polariscope.

Related Idioms

Noun

1. an optical device used to measure the rotation of the plane of vibration of polarized light