The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The paper deals with the creation of a universal metrological complex meant for the calibration of various photometric and radiometric equipment as well as distant and collimated optical radiation sources within the range of 0.25–1.25 micron. The main lines of the research are the extension of the range of registerable radiation intensities, primarily in the area of weak radiations, automation of...