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OPTICS WHITE PAPERS
Performing Differential Noise Figure MeasurementsIn recent years, numerous improvements have been made in noise figure measurements through better algorithmic understanding of the measurements, more sensitive receivers, and less error-prone methods of processing noise power measurements. Anritsu has incorporated a number of these improvements in the single-ended Noise Figure Measurement Option of the VectorStar vector network analyzer (VNA) platform. This application note offers insights into and examples of performing differential noise...
Effects of Sterilization Methods on Key Properties of Specialty Optical Fibers Used in Medical DevicesOptical fibers with different types of polymer coatings were exposed to three sterilization conditions: multiple autoclaving, treatment with ethylene oxide and treatment with gamma rays. Effects of different sterilization techniques on key optical...
The Future of Optics: How Optical Product Design will Change the WorldNew technologies are creating new opportunities in the optomechanical engineering space. Prepare for what lies ahead in optical product design by reading what 13 experts have to say about how optical product design has changed and where it’s going....
Meet Your Augmented and Virtual Reality Challenges Head-On: Design Your Next System with 2D-Q Freeforms in CODE VThe most challenging optical designs today need precise non-spherical surface shapes. A new surface formulation specified by G.W. Forbes describes a “freeform” surface with orthogonal polynomial deformations. Synopsys has developed a new 2D-Q...
Slow Axis Collimators for Laser DiodesDiode laser technology is advancing at a breathtaking pace as suppliers add new wavelengths and improve output power but still present one big challenge to the system designer: their output is inherently asymmetric. FISBA solves this with their...
Metrology for the Manufacture of Freeform OpticsFreeform optics are gaining popularity with lens designers and optical system integrators as a method to solve complex optical system design problems. Optimax has developed new freeform manufacturing techniques that have improved the capability and...
Electro-Optical Measurements Using Vector Network AnalyzersAs the data rates of optical communication systems continue to increase, optical transmit and receive modules require characterization to wider bandwidths. Optical modulators (E/O devices), photo detectors and receivers (O/E devices), as well as...
Hyperspectral Imaging Cameras in Rapid Detection and Potential Diagnosis of Agricultural Crop ThreatsRemote monitoring of crops via satellites using color cameras was the earliest form of spectral imaging in agricultural management. Due to limited capabilities, only basic plant health parameters could be reported. The advent of hyperspectral...
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...
Six Best Practices for Optical Product Design TeamsIn their groundbreaking study Six Myths of Product Development, Stefan Thomke and Donald Reinertsen exposed common fallacies of product development and presented best practices for overcoming them (Harvard Business Review, May 2012). This eGuide...
How to Fail Fast and Smart During the Optical Product Design ProcessFailure is an inevitable part of the product development process, because you have to explore all the ways a design won’t work to find the way it will work. When you’re in a situation that demands speedy development cycles, how can you fail faster...
Accelerating Photonic Simulations with the Effective Index Method in RSoft ToolsThe Effective Index Method (EIM) can be used in Synopsys RSoft™ photonic design software to greatly reduce the computation time and memory requirements of a simulation by converting a 3D structure into an approximate 2D structure. This is also...
Electrical-to-Optical and Optical-to-Electrical Converter MeasurementsAs fiber and free-space optical communication bandwidths increase, the need for very high speed optical modulators and detectors has also increased. The frequency response characterization of these electrical-to-optical (E/O, modulators sometimes...
Key Considerations when Designing and Implementing an Outdoor-Ready Smart Imaging SystemThe key to a successful all-in-one imaging system is the use of embedded systems – especially when it comes to designing a custom proprietary system. This white paper walks you through key elements to consider when designing an embedded vision...
Working in the Basement: Measuring Signals Below the Noise Floor with a Lock-In AmplifierMeasuring optical signals in the femtowatt (10-15) to nanowatt (10-9) range can be a daunting task. Signal levels this low are lost in typical detector noise levels and swamped by background light. The noise floor for photodiode detectors operated...
High-Performance FDTD Simulations with Sub-Cell/Conformal Meshing in RSoft FullWAVEDue to the computationally intensive nature of the FDTD simulation method, improved accuracy and convergence are critical for its practical use as a design algorithm in applications where numerous design variants need to be explored. This white...
Designing and Selecting an Optical Cleaning ProcessEvery optical application requires a "clean" optical surface. However, what defines "clean" is subjective and is based on the needs of the application. In addition, there is not a singular low-cost cleaning process that can meet all the demands of...
Gas Purging Keeps UV Spectrophotometers HealthyMeasuring in the far-UV (FUV) 120-220 nm presents unique challenges. The high energy that makes UV light interesting can cause photochemical formation of organic films on optical surfaces. These films cause increasing, wavelength-dependent loss of...
Design Optimization of Grating Fiber Couplers with RSoft ProductsEngineers can readily achieve optimal design of silicon photonics devices using rigorous simulation tools to numerically optimize a large number of design parameters. This paper demonstrates how a complex grating coupler design can be efficiently...
Improving Focusing Quality of Spherical LensesEmploying aspherical lenses to reduce aberrations to improve focusing qualities is a well-known concept. But the potpourri of aspherical surfaces offers way more possibilities, even the chance for flexible beam shaping setups. Axicons are conical...
Various Beam Shaping Applications Utilizing AxiconsEmploying aspherical lenses to reduce aberrations to improve focusing qualities is a well-known concept. But the potpourri of aspherical surfaces offers way more possibilities, even the chance for flexible beam shaping setups. Axicons are conical...
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...
Get Optical Products to Market Faster Using Modern Virtual PrototypingCompanies developing cutting-edge lasers, optics, and imaging products face significant hurdles getting products to market ahead of competitors. Learn about a new way for optical and mechanical engineers to collaborate that’s changing the way...
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