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Automated 2D elemental mapping by Laser-Induced Breakdown Spectroscopy

28 Sept 2014

This application note successfully demonstrates chemical mapping based on laser-induced breakdown spectroscopy (LIBS) to analyze the distribution of various chemical elements on the surfaces of cut specimens of various rocks.

Andor iStar ICCD Camera

Oxford Instruments Andor

Building on more than 16 years of Excellence in the development of World-class, fast-gated Intensified CCD (ICCD) cameras, Andor redefines the standard of rapid, ns time-resolved Imaging and Spectroscopy with the introduction of the New iStar ICCD camera family. Andor’s iStar ICCD Camera Series extract the very best from CCD sensor and gated image intensifier technologies, achieving a superior combination of rapid acquisitions rates and ultra-high Sensitivity down to single photon. Exceptional detection performances are accessed through high Quantum-Efficiency Image intensifiers, Thermo-Electric cooling to -40°C, 500 kHz photocathode gating rates and enhanced intensifier EBI noise reduction.  

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Mechelle 5000 Spectrograph

Oxford Instruments Andor

Andor’s new Mechelle ME5000 Spectrograph has been designed to provide simultaneous recording of a wide wavelength range (200-975 nm) in one acquisition. It has no moving components is available in a pre-aligned detector/spectrometer format. The Andor Mechelle spectrograph is based on the echelle grating principal and its patented optical design provides extremely low cross-talk and maximum resolution compared with other spectrographs. Key features include:• A highly optimized, patented high throughput design with patented corrected off axis optics to enable the user to achieve maximum throughput and optimum Gaussian line shape and resolution • Software correction using temperature sensor• Constant spectral resolution (CSR) of minimum 5,000: the Mechelle always resolves the same fraction of the wavelength, implying that the disperation in units of nm/pixel, as a fraction of the wavelength. • A robust compact and portable design ensuring no moving components • Hands-on software - direct and responsive • The speed of the system is only dependent on the integration time, readout rate of the camera and PC capabilities

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Automated 2D elemental mapping by Laser-Induced Breakdown Spectroscopy