![]() Simply move the sliders then for daytime, sunset and bedtime to adjust them accordingly.Īpart from setting Kelvin values directly, you may also set them to one of the defaults, e.g. You may also select custom values instead if you prefer that. If you do, adjustments are made right away and the daytime, sunset and bedtime values may change. F.Lux ships with color presets of which you may choose one. You have two main options when it comes to that. Adjustments to the default settings can be made in the program's options. You can run a 10 second 24-hour preview to see how the display changes in that period. The program displays a curve when you open its interface that highlights the time of day, and the warmth of the screen. Note that you need to enter the nearest city or location on first start, as default values are selected by F.Lux automatically based on the information. Computer light however is so bright, that there is no indication that the end of day is near (read sleep).į.Lux ships with default values that you may use right away, or adjust to your needs. In layman terms: A reduction of blue light is interpreted by the eye/brain as an "end of day" situation. One of the gains is that the display won't be as eye hurting anymore in low light situations, another that you may fall to sleep easier thanks to the reduction of so-called blue light by the application. Speaking in technical terms this means that the software will reduce the Kelvin degrees of the light to make the light feel more natural and pleasing to the eye.į.lux fixes this: it makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day. The software adjusts the color temperature of the computer monitor automatically based on that. F.Lux reviewį.lux is a small computer software program for Microsoft Windows, Mac OS X, Linux and Android that adjusts the brightness of the computer monitor according to the time to day. It may feel like starring right into the sun at times, and for a long time, there was little that you could do about it other than either turning the brightness way down, or making sure your eyes adjusted to light before turning on the computer. You may have also noticed that it takes some time to get used to the display when you turn on the computer for the first time in the morning, or even during the day. It is not a very pleasant experience, and it may take minutes before your eyes adjust to the brightness of the screen. ![]() Click here to access numerical values.If you ever had to get up late at night to work on a computer system, you may have felt blinded by the bright light of the computer screen at first. This curve shows the calculated ratio between the photon flux and the mesh current. This detector can be used also as intensity monitor for the branchline. In the Visible-UV range, the monitor section is also equipped with a beam splitter, based on a CaF2 flat window and a silicon detector IRD SXUV-300. In case of low signal, the emission current from the mesh is read by CEM (SJUTS model KBL10RS) placed laterally respect to the mesh. The current of the mesh can be used also as an absolute intensity monitor, using the calibration law obtained recording it simultaneously with a silicon detector AXUV-100. The monitoring of intensity is done mainly by reading the current from a gold mesh placed transversally to the beam (usually measurements are done biasing the mesh at -100V in saturation mode). It's destinated to the monitoring of the light intensity, but it is also equipped with a gold coated mirror for single experiment brenchline (for experiments with E<150 eV). The monitor section is placed between the refocusing chamber and the experimental endstation. Moreover, the removal of the mesh improves the quality of the focused beam in particular relation to the diffraction introduced by the mesh in particular in the UltraViolet range. The comparison between the REFO current and the Gold mesh shows that in the soft x-rays we gained about two orders of magnitude in the signal intensity. ![]() The current can be read or directly from the mirror or from two +100 V Mo plates placed in front of the mirror. ![]() The monitoring of the beam intensity now is routinely done by reading the current from the last Zerodur platinum coated REFO mirror.
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