Archive for the ‘Resources’ Category

Understanding Light and Optics

Key Takeaways: Light, spanning 400nm to 700nm, is vital for vision, traveling at 3 X 10^8 m/s. Optics studies light-matter interactions, including reflection and refraction. Reflection follows the law of equal angles, while refraction obeys Snell’s Law. Total Internal Reflection occurs beyond a critical angle, reflecting light entirely. Understanding light and optics has broad applications […]

Read more

What is Total Internal Reflection (TIR)

Key Takeaways Total Internal Reflection (TIR) is a physics phenomenon where light transitions from a denser to a less dense medium, causing it to reflect back into the denser medium at a specific angle called the critical angle.  This occurs when the angle of incidence exceeds the critical angle, resulting in total internal reflection rather […]

Read more

Flow Cytometry Part 3: Improving Signal-to-Noise Ratio in Flow Cytometer Optics

Key Takeaways: Flow cytometry is a method for studying cells using fluorescent tagging and optical analysis as they flow past a laser. Improving the signal-to-noise ratio (SNR) is essential in flow cytometry for reducing background noise and enhancing relevant cell signals, achieved through optimizing optical components. Laser performance directly affects SNR, with stable output power […]

Read more

Understanding Spherical Mirrors: Deep Guide

Key Takeaways: Spherical mirrors come in two types – concave and convex, with distinct curvatures that affect how light rays behave. Understanding terms like center of curvature, pole, and focal length is crucial for grasping the behavior of spherical mirrors.  The mirror equation simplifies how images are formed, making it easier to understand and apply […]

Read more

Optical ICs and how they work: Understanding the photonic integrated circuit

Key Takeaways: Photonic Integrated Circuits (PICs) use photons instead of electrons for faster and more efficient data processing.   PICs find applications in various fields including communication, biosensing, and quantum computing, promising significant advancements in these areas. While PICs offer advantages, challenges like higher costs and limited availability still exist, yet ongoing development could lead to […]

Read more

Understanding Key Optical Techniques: Fluorescence-Lifetime Imaging

Key Takeaways FLIM Advances Diagnostics: FLIM offers precise views of living cells and proteins, aiding diagnoses and enhancing understanding of diseases like cancer. TCSPC Measures Fluorescence Lifetimes: TCSPC captures differences in fluorescence lifetime, enabling picosecond-level measurements crucial for medical imaging. FRET Enhances Protein Studies: FRET microscopy, combined with FLIM, provides detailed insights into protein interactions, […]

Read more

The Complete Guide to Aspheric Lens

  Product Highlights: Aspheric lenses correct spherical aberration, improving image quality. They feature varying curvature, unlike spherical lenses and spherical elements enhancing, enhancing precision.  Manufacturing methods include precision glass molding, precision polishing, and diamond turning, each with unique benefits and limitations. Material selection depends on application needs and manufacturing process compatibility.  Avantier offers comprehensive custom […]

Read more

Merits and Demerits of Achromatic Lenses

       Key Takeaways Achromatic lenses, or achromats, correct chromatic aberration in optical systems by aligning specific wavelengths. Comprising two or more elements, typically red and blue, these lenses improve image quality in applications like cameras and microscopes. While effective, achromatic lenses may have limitations, such as residual chromatic aberration and complex manufacturing processes, […]

Read more

Case Study – Microlens Arrays for UV, VIS, and NIR video imaging cameras

     Key Takeaways The project focuses on microlens arrays, which arrange multiple lenses on a substrate for precise light control in applications like lighting, imaging, and photonics.  The substrate’s material flexibility and strategic lens arrangement enable versatility. This initiative targets UV, VIS, and NIR video imaging cameras with broad wavelength coverage.  Avantier excels in […]

Read more

Replacing Spherical Lens with Aspheric Lens

       Key Takeaways Aspheric lenses possess a variable radius of curvature, allowing for a gradual change in shape that corrects optical aberrations effectively.  Aspheric lenses provide superior aberration control, enabling optical designers to use fewer elements, simplifying assembly and reducing system size and weight. Recent advancements in grinding and polishing techniques, particularly for […]

Read more