light outside the wavelength range of the excitation beam and light of wavelength other than the laser is formed on a support layer that absorbs most of; was irradiated sufficient time to UV in an area it is desired b) is not a pixel within that layer of the excitation beam the absorptio...
Although light can travel through a vacuum, it can not travel through all objects. When light strikes an object, it can be transmitted, reflected or absorbed. The object is made of molecules, and each molecule has electrons, capable of jumping to higher energy levels by absorbing energy. A ...
A light guide is a device used to direct light from a light source (commonly an LED) to a place where the light is needed. Light guides are also sometimes referred to as light pipes.
For those who love learning, they can read more than n books a day, and their words on this day or tomorrow will become happy. I can say this: cherish time and study hard. It is the source of your happiness in the future.To cherish time is to do something seriously. There is a s...
being reflected. this can result in a larger portion of light being absorbed or transmitted through the surface rather than being diffusely reflected. as the angle of incidence increases, the scattering becomes more uniform in all directions. how is diffuse reflection used in fiber optic ...
How do we know green light is not absorbed by chlorophyll? A Rainbow of Color: Visible light consists of the colors, red, orange, yellow, green, blue, indigo, and violet. Each of these colors has a different wavelength and frequency. In equal amounts these colors combine to form whit...
(涂鸦).Thescribblesweren'tallgoodbuttheyhavebecomepartofawhole.I'vebeenabsorbedeversince.Iscribbledmybreakfast,thefruitintheoffice,andotherpeopleonthetrain.IspoketoDannyGregory,awriterwhoblogsandmakesvideosaboutsketchbooking,totrytofigureoutwhyIhadbecomesotakenbymynewpractice."Wethinkthepracticeindrawingis...
A recent Harvard study examined thenegative impact of blue light on sleep patterns. Not all light is absorbed by the body, specifically our eyes, in the same manner. Green light, for example, has longer wavelengths and contains less energy than blue light. ...
Chlorophyllis the green pigment that captures light during the process of photosynthesis. Chlorophyll a, the most critical photosynthetic pigment, has the empirical formula C55H72O5N4Mg. There are also auxiliary pigments that seize photons of light that aren’t absorbed by chlorophyll a and pass ...
touchscreen technology uses ultrasonic waves sent across the screen's surface. when you touch the screen, some of the wave energy is absorbed, and the sensors detect the change, pinpointing the location of the touch. saw touchscreens offer excellent image clarity and durability but may be ...