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Optics, Illumination, Light Sources White Papers
Accelerating Photonic Simulations with the Effective Index Method in RSoft Tools
The 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 called an approximate 2.5D structure. Once a 3D structure has been reduced into a 2.5D structure using EIM, the propagation can be performed using one of numerous algorithms suitable for computational photonics, such as Finite Difference Time Domain...
Electrical-to-Optical and Optical-to-Electrical Converter Measurements
As 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 System
The 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 Amplifier
Measuring 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 FullWAVE
Due 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 Process
Every 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 Healthy
Measuring 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 Products
Engineers 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 Lenses
Employing 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 Axicons
Employing 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 Lasers
Catalog 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 Filters
The 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...
Using Newport 1936-R/2936-R Power Meters for Low-Power, Pulsed or Modulated Light Sources
Recent advancements in photonics technologies have broadened their applications into many different areas. An increasingly larger number of complex and diverse forms of light sources are designed into various systems and experimental setups. These...
Use Injection Molded Plastic Optics to Reduce System Cost
Plastic 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 Prototyping
Companies 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...
Thin-Film Interference Filters for LIDAR
High-performance, ultra-narrowband interference filters with > 95% transmission, less than 0.1 nm bandwidths, steep edges, a square spectral shape, wide range blocking measured at > OD 8 (-80 dB), uniform coatings, and minimal thermal dependence...
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.
Fabrication of Freeforms
Freeform surfaces on optical components have become an important design tool for optical designers. Non-rotationally symmetric optical surfaces have made solving complex optical problems easier. Optimax has developed a robust freeform optical...
Laser Measurement Best Practices: How and When to Apply Measurements
There are many challenges that come with laser material processing. New tools can provide the means for more thorough application development, successful laser system integration, and can help to implement a more comprehensive laser maintenance...
When Smart Sensors Require Smart Sources
RGB sensors are calibrated to predict the indoor or outdoor ambient lighting conditions and are used to make appropriate corrections and trigger functions like auto adjusting display brightness. To do this effectively requires a smart calibration...
Specifying Advanced Plasma Deposited Hard Coated Optical Thin Film Filters
Modern hard coated optical thin film filters are nearly infinitely flexible in capability. Single band, multiband, dichroic tilted filters are all available with high transmission and excellent blocking. However, due to their complex nature and...
Optical Design Tolerancing: A Key to Product Cost Reduction
The ideal optical system design minimizes production costs and meets performance requirements using achievable component and assembly tolerances and well-chosen post-assembly adjustments. Optical design software can help make this ideal manufactured...
Optimax OTR Coatings
Optimax 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...
10 Steps to Choosing the Right Optical Coating
There are some critical steps you should consider when selecting an optical thin-film coating to maximize your optical systems’ performance. Small changes in requirements can often have a significant impact when evaluating performance and cost....
Integrating Sphere Fundamentals and Applications
An integrating sphere collects electromagnetic radiation from a source completely external to the optical device, usually for the purpose of flux measurement or optical attenuation. Newport’s general purpose spheres (GPS) are designed as...
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Spring 2024
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