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Atomic Spectra Viewer
143,786 NIST ASD lines, 549 species, 94 elements. Periodic-table selection, ionization-stage filters, zoomable spectra, line finder.
Tools
Browser-based instruments for the optical bench. Everything runs client-side.
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Spectrometer Calibration Calculator
Pixel→wavelength polynomial fits (orders 1–6) in a numerically stable Chebyshev basis, with coefficient uncertainties, R², and residual plots.
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LIBS Analyzer
Laser-induced breakdown spectroscopy: drop a spectrometer CSV, get NIST line matching, transparent elemental confidence (coincidence × strong-line × Boltzmann), plasma temperature, and calibration-free composition. 147,949 lines, 99 elements, all client-side.