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Optics White Papers
Easy High Dynamic Range Imaging for Welding Vision
Welding has long been a key technology for assembling metals parts in various industries. Nowadays with the constant search of quality and productivity, welding has become increasingly sophisticated with the introduction of new processes and the automation of these processes. It is essential to visualize and monitor, in great details and as closest as possible, the weld pool (melt metal) during and/or after the process for ensuring quality, consistency, and reproducibility of assembly. This is...
Infrared Camera Accuracy and Uncertainty in Plain Language
How accurate are thermal imaging cameras, and how are they calibrated? Understanding infrared camera accuracy and sensitivity can help clarify the value of well-calibrated thermal imaging cameras. In this paper, we use layman’s terms to explain how...
Are Off-the-Shelf Optics Always the Best Solution?
A white paper from Resolve Optics addresses the commonly asked question "Are off-the-shelf optics always the best solution?". Today there exists a huge number of off-the-shelf lenses for mass market applications where unit cost is the dominant...
Promoted Content
Fluorescence Lifetime Imaging Application Simplified... With the pco.flim
The pco.flim whitepaper gives an introduction in fluorescence lifetime imaging, if it is done in the frequency domain, with all the required background information. It is thought to refresh the knowledge about photo luminescence and how lifetime...
Promoted by: PCO-TECH Inc.
High Precision Lens Assembly with Alignment Turning Machines
In recent years, alignment turning technology has experienced some key developments. Progress has been made with regard to aspheres, cylindrical surfaces or "best fit" centration of lens groups. It has also been possible to significantly increase...
Fabricating and Testing Freeform Optics: Current Capabilities, Lessons Learned and Future Opportunities
Freeform 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 Stability
Hard 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...
High Volume Optical Component Testing Using an Agilent Cary 7000 Universal Measurement Spectrophotometer (UMS) with Solids Autosampler
In 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...
Beam Expansion - Standard Concepts Re-interpreted
Everyday work in an optics laboratory would be unthinkable without beam expansion systems. They serve to optimally adjust the beam cross sections between the light sources (e.g. lasers) and the subsequent optical elements. Precise illumination of...
Measuring Optical Densities Over 10 Abs on the Agilent Cary 7000 Universal Measurement Spectrophotometer (UMS)
High blocking optical filters deliver critical optical control in a wide variety of consumer and industrial products. Highly attenuating (i.e., high optical density) filters are used in personal protective equipment, such as laser safety eyewear,...
Understanding Infinity-Corrected Objective Resolving Power and Magnification
This informative white paper from Edmund Optics covers a range of topics from the field of Microscopy, including terminology, application examples, and descriptions of different types filters such as dichroic, emission, and excitation filters used...
Clearly Superior Epoxies for Optical Applications
As technology in the optics industry continues to advance and improve, careful consideration of the properties of epoxies must be evaluated. When determining the most effective adhesive to be used in opto-electronics, medical and other optic related...
Flat Top, Ultra-Narrow Band Pass Optical Filters Using Plasma Deposited Hard Oxide Coatings
Flat top and square narrowband filters of less than 1nm in bandwidth and transmission of >90% even 95% are now available at sizes of up to 250mm in diameter. Out of band blocking levels of 3 OD to 6OD can easily be added. These filters can be used...
Thin Substrate, Dichroic and Polychroic Thin Film Filters Featuring Flatness <0.1 Waves RMS
The filters used by fluorescence detection systems are arguably the most important element defining the system performance. Alluxa’s new line of thin substrate ultra-flat dichroics and polychroic filters provide improved optical performance, achieve...
Advanced Light Cure Adhesive
Breakthroughs in adhesive technology enable light curing adhesives to cure under a visible light wavelength of 405 nanometers. Learn how these environmentally friendly adhesives can improve worker safety and lower production costs while offering a...
Durable, Front Surface Hard Optical Coatings for Replacing Laminated Soft Coatings
Soft coatings possess poor environmental durability, poor temperature stability and low transmission, high optical scatter, yet they are still used mostly due to low cost. Alluxa’s advanced high speed deposition technology has finally enabled hard...
New Metrology Techniques for Advanced Thin-Film Optical Filters
The performance of advanced thin films as demonstrated by Alluxa’s thin films are challenging even the best metrology equipment and techniques. In this paper we have described a number of simple techniques, such as reference beam attenuation,...
UV Curing Adhesives Shine
UV curable adhesives are among the most user friendly adhesive products on the market today—if you know how to apply them. Master Bond’s new white paper takes a closer look at the capabilities of UV curable formulations, the requirements for an...
Super-resolution Microscopy
This article provides an overview of some of the key developments in super-resolution microscopy -- the art of enhancing the diffraction-limited resolution of an optical microscope.
Asphere Metrology: Options for Measuring Aspheric Lenses
This paper will outline the numerous metrology options for aspheres at Optimax, including how they work, any requirements, and what is specified with each method in an effort to help reasonably tolerance aspheres. Effects on the fabrication and cost...
Assembly Method Considerations for Cemented Assemblies
This paper will examine options in assembly methods of cemented lens assemblies, and techniques for communicating critical items will be presented. When cementing lenses together at Optimax, there are two main options for assembly methods, V-Block...
Considerations in Manufacturing Cemented Assemblies
This paper will examine options in construction of cemented lens assemblies, and considerations for mechanical mounting and cement selection will be offered.
An Introduction to FRET, with an Emphasis on the Optics Involved
Fluorescent Resonant Energy Transfer (FRET) is a process that involves two fluorochromes (molecules that have the potential to fluoresce) with overlapping emission and excitation spectra. FRET is useful in determining intra-molecular and...
Filter Sets for Imaging DsRed (Red Fluorescent Protein)
The new red fluorescent protein, DsRed, from Clontech can be viewed, and imaged, with a variety of filter sets due to its broad absorption and emission spectra. Using HeLa cells transfected with the DsRed protein, kindly provided by Clontech, we...
How to measure optical filter spectra accurately
Optical filters play an important role in enabling applications such as fluorescence microscopy and Raman spectroscopy. In these applications there are two distinct types of beams: the illumination (or excitation) beam and the signal (or emission)...
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May 2024
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