- #1
houlahound
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how was it done?
More than a tunable laser?houlahound said:sounds like a lot of setting up.
I don't see the difficulty in that. In the old-old days, it was done manually (grating on a pivot), later using a motor.houlahound said:I would like to see the power spectrum and bandwidth of a line from the source. so a frequency sweep means you change the angle of the diffraction grating - ouch.
Spectroscopy is a scientific technique used to study the interaction between matter and electromagnetic radiation. It involves the measurement of the absorption, emission, or scattering of light by a sample in order to identify and quantify its chemical composition and structure.
Tunable lasers are used in spectroscopy to provide a wide range of wavelengths, allowing for more precise and accurate analysis of a sample's properties. This allows scientists to target specific energy levels and obtain more detailed information about the sample's molecular structure and behavior.
Traditional spectroscopy techniques use a fixed wavelength of light, limiting the range of samples that can be analyzed. Tunable lasers, on the other hand, can be adjusted to emit a specific wavelength, making them more versatile and suitable for a wider range of samples and applications.
Tunable lasers offer several advantages in spectroscopy, including improved sensitivity, higher resolution, and the ability to target specific energy levels. This allows for more accurate and detailed analysis of samples, which is especially useful in fields such as chemistry, physics, and environmental science.
Spectroscopy with tunable lasers has a wide range of applications, including chemical analysis, environmental monitoring, medical diagnostics, and material characterization. It is also used in research and development to study the properties of new materials and substances.