Recent Entries

• Spherical vs. Aspheric Lenses: A Clear Perspective

  by Linda Lim July 4, 2023
  When it comes to eyeglasses and contact lenses, the choice of lens design plays a crucial role in providing clear and comfortable vision. Two commonly used lens designs are spherical and aspheric lenses. While both serve the purpose of correcting refractive errors, they differ in their curvature and...

• What is an IR lens?

  by Linda Lim May 30, 2023
  An IR (infrared) lens is a specialized optical component designed to capture and focus infrared light. While traditional lenses primarily deal with visible light, IR lenses are engineered to transmit and focus wavelengths beyond the visible spectrum. These lenses are commonly used in various fi...

• Optical Coating: AR Ccoating

  by Linda Lim March 27, 2023
  An optical coating is one or more thin layers of material deposited on an optical component such as a lens, prism, or mirror, which alters the way in which the optic reflects and transmits light. These coatings have become a key technology in the field of optics. One type of optical coatin...

• Infrared Thermal Imaging Knowledge

  by Linda Lim December 19, 2022
  Infrared Thermal Imaging Knowledge Infrared principle 1. Infrared Definition In nature, any object with a temperature above absolute zero (-273℃) can emit electromagnetic waves. Infrared is the most widespread form of electromagnetic waves in nature, it is a kind of energy, and this energy i...

• Optical Lens Material--Optical Glass

  by Linda Lim December 2, 2022
  The optical glass is mixed with high-purity silicon, boron, sodium, potassium, zinc, lead, magnesium, calcium, barium and other oxides according to a specific formula, melted in a platinum crucible at high temperature, stirred evenly with ultrasonic wave, and removed of bubbles; Then slowl...