Can the highlighter glow?

The highlighter pen is a new pen used for marking in recent years. The thicker and lighter ink covers the key parts to make the mark. After the mark is made, the blocked text is clear at a glance. Moreover, when it encounters ultraviolet light, it produces a fluorescent effect, emitting white light, which makes the color look glaring and fluorescent. In this article, let's take a look at the highlighter.

Can a highlighter emit light? The principle of its key UV fluorescent ink is to add a visible fluorescent complex with UV excitation to the ink. Through the absorbed light energy, the energy level transition of the atom is generated, and then the additional energy absorbed is released. The anti-counterfeiting feature is to emit red, yellow, green, and blue (400 nm to 800 nm) visible light under ultraviolet light (200 nm to 400 nm). The ink is colored and colorless, and has long wave (365nm) and short wave (254nm). The fluorescent pigment is an organic complex, finely ground, and has high luminosity, usually colorless or light white, in ultraviolet light. (200nm~

Under 400 nm irradiation, visible light of various colors (400 nm to 800 nm) is exhibited. According to the wavelength of the excitation light source, it can be divided into short-wave ultraviolet excitation phosphor (excitation wavelength is 254nm) and long-wave ultraviolet excitation pigment (excitation wavelength is 365nm).

Can a highlighter emit light? A highlighter has a fluorescent agent. When it encounters ultraviolet light (sunlight, fluorescent, or mercury lamps), it produces a fluorescent effect that emits white light, which makes the color look glaring.

There are also colorless highlighters that can be hidden. After writing, there is no color. After the purple light behind the pen is illuminated, the written content can be displayed.

The above is about the introduction of the highlighter can emit light, I hope to help everyone.

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