Tungsten oxide is a material with good transparency, which can transmit light from ultraviolet to near infrared range.
Tungsten oxide (WO3) has some optically important properties. The following are some characteristics about the optical properties of tungsten oxide:
Transparency: Tungsten oxide is transparent in the visible light range, especially in the ultraviolet and blue light regions. This makes tungsten oxide widely used in the fields of transparent electronic devices, optical coatings and optical devices.
High refractive index: Tungsten oxide has a high refractive index, especially in the ultraviolet region. This makes it an important material for antireflective coatings and optical films.
Nonlinear optical properties: Tungsten oxide has strong nonlinear optical effects, such as second harmonic generation, optical pulse compression and frequency mixing. These properties make tungsten oxide have potential applications in the fields of lasers, optical devices and optical communications.
Electrochromism: Tungsten oxide can adjust its transmittance in the visible light range through the electrochromic effect. Tungsten oxide can change from colorless or light yellow to dark blue when an electric field is applied. This makes it valuable in optoelectronic modulators, smart windows, and optical memory, among other applications.
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