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    Helios (Femtosecond Transient Absorption Spectrometer)

    HELIOS is an automated femtosecond Transient Absorption Spectrometer. It is designed to work with a variety of amplified femtosecond lasers, including high energy Ti:Sapphire amplifiers and high repetition rate Yb amplifiers. It offers spectral probe coverage from 350 – 2400 nm with femtosecond time resolution over an 8 ns time window. Together with their patented optical delay line, HELIOS delivers an unmatched level of performance and user-friendliness. With EOS upgrade, it offers the extended measurement window up to ms range

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    Overview

    HELIOS is an automated femtosecond Transient Absorption Spectrometer. It is designed to work with a variety of amplified femtosecond lasers, including high energy Ti:Sapphire amplifiers and high repetition rate Yb amplifiers. It offers spectral probe coverage from 350 – 2400 nm with femtosecond time resolution over an 8 ns time window.

    Together with their patented optical delay line, HELIOS delivers an unmatched level of performance and user-friendliness.

    With EOS upgrade, it offers the extended measurement window up to ms range

    Key Features

    • Broad Probe Spectral Range (UV-VIS-NIR-SWIR).
    • Extendable Time Window up to ms.
    • Built-in Automation for Alignment and spectral range switching.
    • Large Sample Compartment.
    • Versatile and User-friendly Software.

    Specification

    Probe spectral range 280 – 2400 nm (With Ti: Sapphire Lasers)
    350 – 2000 nm (With Yb Lasers)
    Intrinsic spectral resolution 2 nm (UV-VIS)
    5 nm (NIR)
    5 nm (SWIR)
    Optical delay line
    • Time window: 8 ns (extendable to ms)
    • Resolution: 14 fs
    • Automated alignment time: 3–5 min
    • Beam pointing drift: < 10 μm over 8 ns delay range
    Detectors
    • CCD (UV-VIS, 200 – 1000 nm)
    • CMOS (UV-VIS, 200 – 1000 nm)
    • InGaAs (NIR, 800 – 1600 nm)
    • InGaAs (SWIR, 1600 – 2400 nm)

    Applications

    • Photophysics
    • Materials science
    • Photochemistry
    • Nanoscience
    • Photobiology
    • Transient spectrometry
    • Cell biology

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