MWHR Raman

Multi-Wavelength Confocal Raman Microscope

Multi-Wavelength Excitation, Confocal Raman Microscopy, Raman Imaging & Mapping

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OVERVIEW

The MWHR-Raman M350 Multi-Wavelength Fully Automated Raman Spectrometer features a compact design and integrates three excitation wavelengths, configurable according to user requirements. It supports both Raman spectroscopy and photoluminescence (PL) spectroscopy.

KEy features

Equipped with a 50 μm pinhole for confocal Raman measurements.

Integrates three excitation wavelengths, configurable according to user requirements.

Highly automated operation with automatic excitation wavelength switching and automatic switching between microscopic imaging and Raman optical paths.

Automatic focusing from highly defocused positions, supporting a defocus distance of over 10 mm.

Automatically recognizes particles in microscopic images and supports batch positioning, measurement, and statistical analysis without manual positioning, with a minimum particle recognition and positioning accuracy of < 2 μm.

TECHNICAL SPECIFICATIONS

ParameterSpecification
Laser633 nm excitation; optional 532 nm or 785 nm laser
Raman Shift Range80–6200 cm⁻¹ @ 633 nm
Spectral ResolutionBetter than 0.9 cm⁻¹, enabling high-resolution analysis of Raman spectral features
Raman Imaging ResolutionLateral resolution ≤ 0.6 μm; axial resolution ≤ 2 μm, suitable for micro-area characterization and Raman imaging
Motorized StageUltra-high-precision fully motorized XYZ stage with closed-loop control; travel range: 75 × 50 × 50 mm; minimum step size: 0.05 μm. Minimum step size down to 0.01 μm in open-loop operation
Electrochemical IntegrationSupports ultrafast, precise synchronization with an electrochemical workstation, with synchronization accuracy within 200 ns, enabling transient electrochemical Raman measurements such as cyclic voltammetry–Raman spectroscopy
Dimensions720 × 811 × 553 mm

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