Optical Metrology
- Chromatic Sensors
- Displacement Gages
- Ellipsometers
- Interferometers
- Laser Vibrometers
- Optical Frequency Combs
- Optical Surface Profilers
- Polarimeters
- Refractometers
- Strain Gages
- Thickness Measuring Systems
- Wavelength Meters
- Metrology Accessories
- Laser Micrometers
- Shearography Systems
- Scatterometers
- Video Micrometers
- Laser Gyroscopes
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Wavelength Meters
Frequently Asked Questions
A wavelength meter is an optical metrology tool that measures the wavelength of light. It works by directing light through a dispersive element, such as a grating or prism, which separates the light into its different wavelengths. The meter then measures the distance between the peaks or troughs of the waves to determine the wavelength of the light.
Wavelength meters can be used to measure the wavelength of a wide range of light sources, including lasers, LEDs, and other sources of coherent and incoherent light.
The accuracy of a wavelength meter depends on several factors, including the quality of the system, the sensitivity of the detector, and the level of environmental control during the measurement. Generally, wavelength meters can provide accurate measurements within a few picometers.
Wavelength meters are used in a variety of industrial, scientific, and research applications, including laser spectroscopy, telecommunications, and materials science. They are also used in the calibration and characterization of lasers and other optical systems.
When choosing a wavelength meter, it's important to consider the specific requirements of your application, including the type of light source being measured, the expected range of wavelengths, and the level of environmental control needed for the measurement. Other considerations may include the level of accuracy required, the type of detector and other instrumentation needed, and the software required for data analysis.
Proper maintenance of a wavelength meter is critical for obtaining accurate and reliable measurements. This may include regular cleaning of the optics and detector, calibration of the system, and careful handling of the equipment to prevent damage or contamination.
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