Optical photothermal infrared (O-PTIR) spectroscopy is an infrared super-resolution measurement technique where a shorter ...

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Coupling mid-infrared “idler” photons with near-infrared “signal” photons enables cheaper, smaller and more efficient machines for uses such as greenhouse gas monitoring to medical diagnostics.

Substantial miniaturization of infrared (IR) sensors is necessary for their incorporation into next-generation portable electronics, wearable devices, and small satellites. However, modern infrared ...

NIR spectroscopy concerns the analysis of how NIR light and matter interact. In spectroscopic analysis, light is determined by the wavelength, not by the applied energy. The wavelength of light is ...

Ch. 1. Introduction to near-infrared spectra -- ch. 2. Alkanes and cycloalkanes -- ch. 3. Alkenes and alkynes -- ch. 4. Aromatic compounds -- ch. 5. Hydroxyl ...

Researchers have miniaturized a spectrophotometer onto a single chip that can analyze any wavelength of visible light and part of the infrared spectrum (Science 2021, DOI: 10.1126/science.add8544).

Richard Scott Perkin (1906-1969) and Charles Elmer (1872-1954), one an investment banker and the other a court reporter, established the Perkin-Elmer Optical Company in 1937, incorporated the firm in ...