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  • Test & Measurement

    • Spectroscopy

    Recent

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    (Image credit: CRAIC Technologies)
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    (Image credit: MKS Newport)
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    (Image credit: LMU/MPQ)
    The new minimally invasive screening approach needs just a single drop of blood to detect health conditions.
    (Image credit: Ibsen Photonics)
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    (Image credit: Texas A&M University)
    The portable smartphone-based Raman spectrometer system is capable of detecting and analyzing chemicals and other materials in the field.

    Highlights

    (Image credit: CREOL)
    FIGURE 1. Experimental setup: Second-harmonic generation (SHG); intrapulse difference frequency generation (IDFG); electro-optic sampling (EOS); λ/4 (quarter-wave plate); mid-infrared (MIR).
    Test & Measurement

    Dual-comb spectroscopy measures 240,000 spectral points in longwave infrared at video rate

    Dmitrii Konnov
    Sept. 9, 2024
    Spectrometry system obtains absorption spectra of gaseous molecules over a spectral range of 1.5 to 45 THz, with up to 240,000 spectral data points in a single measurement spanning...
    (Image credit: Marktech Optoelectronics)
    Detectors & Imaging

    Multiple SWIR wavelength emitter-detector has use in IR spectroscopy

    Marktech Optoelectronics Inc
    Sept. 4, 2024
    The MTMD142345PDT38 multiwavelength shortwave-infrared (SWIR) wavelength emitter-detector provides SWIR detection in the 600–1750 nm range.
    (Image credit: HÜBNER Photonics)
    Lasers & Sources

    Ultrafast fiber laser offers 1000–1100 nm spectral bandwidth

    HÜBNER Photonics - a div of HÜBNER GmbH & Co KG
    Aug. 1, 2024
    The VALO Tidal ultrafast fiber laser delivers pulse durations of 40 fs (typical) with 2 W output power.
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    Test & Measurement

    Brillouin spectroscopy: A perspective into industrial applications

    Panagiotis Vergyris
    July 15, 2024
    The all-optical approach of Brillouin spectroscopy shows promise for an expansive array of industrial applications.
    Photo 320906828 © Cagkan Sayin | Dreamstime.com
    Executive Forum

    Venture capital moves pick up in June

    Eric Hall
    July 8, 2024
    June was a very active month for venture capital in photonics, with deals announced across multiple markets and company stages.

    Recommended

    (Image credit: Umicore Coating Services)
    Optics

    Precision infrared technology and evolving regulations revolutionize emissions tracking

    Mark Naples
    July 5, 2024
    Thanks to advances in filter coating technology, laser absorption spectroscopy (LAS) detectors are becoming more readily accessible for methane emission detection and tracking...
    (Image credit: L. Scarpelli and M. Richard)
    Quantum

    Quantum optics technique reveals new type of light-matter interaction within semiconductors

    Sally Cole Johnson
    Feb. 14, 2024
    Photon-cascade correlation spectroscopy enables peering into the quantum realm: Creating an image-in-time of photons reveals whether they tend to travel together or not, which...
    Test & Measurement

    Spectroradiometer features modes for measuring radiance and irradiance

    SphereOptics GmbH
    Feb. 5, 2024
    The portable JETI specbos 2501 spectroradiometer provides an extended wavelength range from 200 to 1000 nm.
    Test & Measurement

    Process analyzer features a UV-visible spectrometer

    Applied Analytics Inc
    Jan. 31, 2024
    The OMA process analyzer continuously measures chemical concentrations and physical properties.
    Lasers & Sources

    Fiber-coupled LED has applications in spectroscopy

    LumeDEL LLC
    Jan. 14, 2024
    The NewDEL Model X3312 fiber-coupled LED source employs a phosphor-coated UV-LED.