![]() In a dispersive spectrometer (see illustration), infrared radiation from the source Q is focused by a spherical mirror M 2 onto the entrance slit S 1 of the monochromator, after passing through the sample cell SC. However, spectrometers and interferometers can easily be adapted to emission spectroscopy. Absorption spectroscopy is the principal method, where attention centers on the frequencies absorbed by the sample from a broadly emitting source. Because of strong infrared absorption by water vapor and carbon dioxide, operation takes place in a vacuum or the optical path is purged with dry nitrogen. The broad wavelength range of infrared radiation, and the few transparent optical materials available, require that infrared instruments be designed with reflecting optics: radiation is focused with front-surface aluminized mirrors rather than lenses. In the wave-number units usually employed (oscillations per centimeter, read as reciprocal centimeters), this corresponds to 12,500–10 cm -1. Electromagnetic waves from the long-wavelength limit of visible light at 800 nanometers to the shortest microwaves at 1 mm are used. COBRA MultiSpec is modular and is available in any length up to 5 meters.The spectroscopic study of the interaction of matter with infrared radiation. In addition, COBRA MultiSpec offers field adjustable optics allowing users to select the optimum lens position for its application. COBRA MultiSpec is built on the established, compact COBRA Slim platform and utilizes Chip-on-Board LED technology to ensure extreme brightness and excellent uniformity. ![]() To enable rapid data acquisition and analysis, COBRA MultiSpec’s exceptional strobe capability allows multispectral strobe patterns to be configured, and up to four optically independent strobe lines pulsed either simultaneously or sequentially with a combined delay and response time of less than one microsecond (1μs). The Prophotonix COBRA MultiSpec is available in wavelengths from 365 – 1500nm and available in configurations from two to twelve wavelengths in a compact form factor. UV, Visible & IR wavelengths are available along with a wide range of optical options to ensure the optimum illumination for your application. Custom lights of up to 12 wavelengths from 365 – 1650nm can also be delivered. RGB-IR (855nm) and RGB-White (3500K) COBRA MultiSpec line lights are now available as standard, offering ideal solutions for a wide variety of multispectral and hyperspectral applications including food sorting and currency inspection. Discrete control of each wavelength allows users to select the optimum wavelength balancing and relative intensities specific to the application needs. Precise control of the light via its user-friendly GUI allows system designers to easily fine-tune the performance of their system. The Prophotonix COBRA MultiSpec delivers multispectral tunable illumination allowing users to optimize the spectrum to maximize contrast, compensate for camera sensitivity, and deliver clearer, higher resolution images for increased accuracy and speed. Offering discrete control of up to twelve wavelengths from 365 to 1650nm via an intuitive graphical user interface, you can maximize contrast by choosing the optimum spectral profile and providing more intensity at specific wavelengths to suit your application needs. ![]() The COBRA™ MultiSpec multispectral LED line light has been designed to deliver tunable multispectral light allowing you to optimize image acquisition. The Prophotonix COBRA MultiSpec is a tunable, MultiSpectral LED Line Light with up to 12 wavelengths. KAYA Instruments (Intellectual Property).
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