Optical Window

1. A transparent flat plate with optical properties, used to protect the working environment of optoelectronic devices. The working principle of optical windows is mainly based on the theory of refraction and reflection of light. When light passes through an optical window, refraction and reflection will occur, and the material and design of the optical window can effectively control these refraction and reflections to ensure the normal operation of the optoelectronic device. In addition, the optical window can also filter the light as needed, allowing only light of specific wavelengths to pass through.

2. Important parameters of optical windows mainly include transmittance, refractive index, thickness, diameter, parallelism, surface quality, etc. The transmittance and refractive index determine the efficiency and direction of light passing through the optical window. The thickness and diameter affect the mechanical properties and installation convenience of the optical window. The parallelism and surface quality determine the quality of the light passing through the optical window.

3. Optical windows are widely used in various optoelectronic devices, such as lasers, photodiodes, fiber optic communication systems, etc. In these applications, optical windows are mainly used to protect optoelectronic devices and prevent environmental factors from affecting their work. They can also filter light as needed to allow only light of specific wavelengths to pass through.