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Identifying Thermally Activated Delayed Fluorescence using a SpectrofluorometerTADF was first observed in 1924 by Francis Perrin. In 2012 it received a resurgence in attention when Professor Chihaya Adachi and colleagues at Kyushu University used the TADF mechanism to harvest triplet excitons in organic light emitting diodes (OLED) and create a new type of high-efficiency OLED that does not require the use of heavy metals. TADF is now one of the most popular approaches to harvest triplet excitons in OLEDs, and new TADF emitters with good stability and attractive colour...
Hybrid Gain Flattening Filters in Optical Fiber AmplifiersIridian Spectral Technologies has developed what is referred to as a Hybrid GFF, which combines the functionality of both a WDM and the GFF on one component. Specifically, a Hybrid GFF can block the pump laser from light in the range of...
Laser Marking and Coding Made EasyIn the packaging industry, new marks, codes and packaging material requirements are driving manufacturers to seek marking and coding solutions with flexible and adaptable performance. This guide features a complete marking and coding solution for...
What Are The Main Applications Of Optical Coating?We provide you with a detailed analysis and introduction to the application of Optical Coating in your daily life.
Building a DIY Atomic Force MicroscopeAtomic force microscopes (AFM) are often seen as out of reach for many scientists with limited budgets. But they are useful and versatile tools for characterizing surfaces, mapping out morphology, and studying the behavior of tiny structures that...
Solutions for Fiber Optic ApplicationsHigh temperature polymer coating and sheathing products protect and support the latest fiber optic technology.
5 Most Common Mistakes in Designing Precision Super Hard ComponentsOver nearly four decades, IRD has been manufacturing precision optical and non-optical components in super hard materials. Roughly 80% of the designs have benefited from IRD’s proprietary Design for Manufacturability (DFM) Review. During these...
How Much Will an Optical Filter Cost?Filters are a critical element in the design of most optical systems. However, optimizing the trade-off between cost and performance isn’t obvious. With nearly a half century of experience in the business, Andover Corporation has a few tips to help...
Identifying Thermally Activated Delayed Fluorescence (TADF)OLEDs have become one of the most popular display types for high-end televisions and smartphones due to their superior contrast ratios and lower power consumptions than conventional LCD displays. A new generation of OLED utilising thermally...
Improving Additive Manufacturing with Accurate Surface MetrologyStandard manufacturing formative techniques (e.g., molding, injecting, casting, stamping, forging) and subtractive processes (e.g., CNC milling and turning, drilling, cutting) are being challenged by new technologies, such as additive manufacturing,...
High-Resolution Chemical Imaging with Tapping AFM-IRWhere the spatial resolution of conventional bulk IR spectroscopy is limited by diffraction to ~3-10 µm, atomic force microscopy (AFM) provides a nanoscale topographic map of a sample surface. However, AFM has been unable traditionally to chemically...
7 Steps to Choosing the Correct Optical Mirror or WindowIn addition to a good understanding of your application, carefully defining your requirements can save manufacturing time, which translates to reduced costs. In this paper, learn the important factors to consider when designing the ideal optic for...
Electroluminescence and Photoluminescence Spectroscopy of a Phosphorescent Organic Light Emitting Diode (PhOLED)Investigation of emission properties of a PhOLED. The spectrum and chromaticity coordinates of the emission and the triplet lifetime are determined using time-resolved spectroscopy.
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...
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 ImagingPrecision 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...
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