As such, advances in FTIR spectrometers have primarily come in the form of improvements in spectral resolution and wavenumber accuracy (abscissa) .. Read more instead of improvements in the photometric accuracy (ordinate), which is essential to the optics industry. In this webinar, the presenters will focus on PerkinElmer’s high-performance Lambda 1050+ UV-VIS-NIR, complete with its portfolio of diverse modular accessories as well the performance of the Spectrum 3 Optica FTIR spectrometer in measuring the transmittance of high refractive index samples. The presenters will discuss various modular sampling accessories and detector modules for both transmission and reflectance measurements and how performance considerations dictate which accessory to use and why. For the very best performance, the presenters will focus on the 150- and 270-mm integrating spheres, as well as the TAMS and ARTA goniometer systems and the IV accessory for high-precision reflectance measurements. Verification of the performance also presents a challenge as there is no standard test for FTIR ordinate accuracy in the mid-IR. Methods to verify the ordinate accuracy of the FTIR will also be shown using transmittance values calculated from refractive index values and comparison to values obtained by NIST. Who should attend: All those working in the many fields using UV-VIS-NIR and FTIR spectroscopy, whether your application be in research, test and measurement, QC and management, or implementation and use.
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