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Photophysical Characterisation of Perovskite Quantum DotsPerovskite Quantum Dots are a promising new class of light emitters. In this paper a complete photophysical characterisation, comprising of absorption spectra, photoluminescence spectra, photoluminescence lifetime, and quantum yield of two perovskite quantum dots is carried out using the versatile FS5 Spectrofluorometer. In this article we researched: Measurement of absorption and photoluminescence spectra of perovskite, QDs Determination of the photoluminescence quantum yield of perovskite,...
Design Optimization & Sensitivity Analysis of Photonic Integrated CircuitsThis paper covers the use of design and simulation software in the development of photonic integrated circuits (PICs). Using the workflow put forward in this paper, users can analyze their PIC layout in 3D to calculate scattering parameters and...
Solving 5 Big Thin-Film Deposition Challenges Facing Contract CoatersThe contract thin-film coating industry is poised for growth, with many target markets expected to see substantial gains over the next five to ten years. Contract coaters need to align their production platforms to take advantage of these lucrative...
A Brief Introduction to CustomizationThis five-part series is focused on optoelectronic customization, and how both emitter and detector components and assemblies can be specifically designed for customer applications, including in-depth analysis of materials, packaging, and testing....
High Power, High LIDT Laser Optics - Understanding Optics for-High Power LasersCatalog optics are fine for many laser applications but high power lasers require specified damage optical characteristics. The whitepaper explores power resilience of laser optics, working with test laboratories, ISO testing, measuring LIDT, LIDT...
A New Spectral Analysis System Designed to Measure High-Performance Thin-Film Optical FiltersThe HELIX Spectral Analysis System was designed to address the limitations of most commercially available spectrophotometers when measuring high-performance thin-film optical filters. The system’s capabilities are four-fold: it is able to track...
Use Injection Molded Plastic Optics to Reduce System CostPlastic optics in complex optical systems offer many advantages over glass. Designers and manufacturers will gain competitive advantages by using well designed plastic optics in applications well suited for their use. This white paper will discuss...
Autonomous automobiles don’t operate underwater, however…Autonomous vehicles use an assortment of sensors and imagers including LiDAR (Light Detection and Ranging). Whether it’s scanning system, solid state, or flash these systems need to be calibrated for sensitivity over a dynamic range of light...
“Optical Components for SWIR Imaging”Precision Glass & Optics discusses the challenges of designing optical coatings for shortwave infrared (SWIR) imaging. Also discussed are the many advantages that SWIR imaging devices provide.
Optimax OTR CoatingsOptimax has developed a novel optical coating (OTR) that protects optical surfaces in even the most extreme environmental use conditions. OTR coatings have been demonstrated to provide excellent resistance to latent scratching, staining and dimming...
Precision Infrared Narrow Bandpass and Dual Bandpass Filters Featuring Low OH-Band AbsorptionAlluxa’s new class of Infrared (IR) bandpass and dual band filters bring the precision of dielectric filters to the IR between 2 and 5 microns. They are manufactured with an advanced, plasma enhanced PVD process using durable, hard metal-oxide, and...
Thin-Film Optical Components for Use in Non-Linear Optical SystemsSome of the greatest recent advances seen in bio-imaging and detection are due to techniques that utilize non-linear optical (NLO) phenomena. These techniques have led to a Nobel prize, super-resolution images, label-free visualization of naturally...
Fabricating and Testing Freeform Optics: Current Capabilities, Lessons Learned and Future OpportunitiesFreeform optical shapes or optical surfaces that are designed with non-symmetric features are gaining popularity with lens designers and optical system integrators. A common question about freeform optics is, “If I design it, can you really make...
Ultra-Narrowband Optical Bandpass Filters with Large Format and Improved Temperature StabilityHard coated ultra-narrowband optical filters made using modern plasma processes offer much improved transmission, temperature stability and out of band blocking as compared to legacy soft coatings. These filters are used in optical systems as...
UV Curing of Fiber Optic CoatingCurrent optical fiber manufacturing processes use UV lamp systems for curing protective coatings to the glass fiber. These systems suffer from low efficiency, high maintenance costs and environmental concerns. UV LED curing systems provide a...
Absorption / Transmission / Reflection SpectroscopyUltraviolet Visible Near-Infrared (UV-Vis-NIR) spectroscopy is useful to characterize the absorption, transmission, and reflectivity of a variety of technologically important materials, such as pigments, coatings, windows, and filters. This more...
High Volume Optical Component Testing Using an Agilent Cary 7000 Universal Measurement Spectrophotometer (UMS) with Solids AutosamplerIn this study, we demonstrate increased productivity and reduced cost-per-analysis with automated, unattended multi-angle R/T analysis for multiple samples of uncoated fused silica using an Agilent Cary 7000 UMS fitted with an Agilent Solids...
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