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Reflections on Reflections
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Reflections on Reflections
 
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Reflections on Reflections
From gdoptilabs.com

The term reflection actually encompasses three entirely different types of optical phenomena. These three kinds of reflection are specular reflection (like a mirror), diffuse reflection (often called Lambertian) and reflexive reflection (or retro-reflection).

Specular reflections are those we normally associate with a highly polished surface, such as a mirror. In technical terms, the angle of incidence of the light is equal to the angle of reflection of the light (see figure 1). All materials obey the law of reflection when viewed at a fine enough detail. It is the specular reflection which is responsible for forming an image in a shiny surface. It also results in a bright spot, called a specular highlight, when a small light source is at such a position that it can reflect into the eye.

 


Products & Services
Excimer lasers are rare-gas halide or rare-gas metal vapor lasers that produce relatively wide beams of ultraviolet laser light. They operate via the electronic transitions of molecules.
Diode lasers use light-emitting diodes to produce stimulated emissions in the form of coherent light output. They are also known as laser diodes.
Thin film process monitors are used to control thin film deposition rate or composition during processing.
Plate beamsplitters are semi-mirrors, which reflect part of the incident energy (absorb a relatively small part) and transmit the rest. Some are neutral and some are spectrally selective.
Optical prisms are blocks of optical material with flat, polished sides that are arranged at precisely controlled angles to one another. They are used in optical systems to deflect or redirect beams of light. They can invert or rotate images, disperse light into component wavelengths, and separate states of polarization.
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Product Announcements
General Digital Corporation - Reflections on Reflections
Reflections from a display are a fact of life. By careful design of the display and installation, it is possible to produce a display with adequate luminance and contrast (for both specular and... (read more)
Dontech Incorporated - Antiglare, antireflective coatings
Dontech engineers and manufactures a broad range of custom display filters for Contrast enhancement -- antiglare, antireflective coatings... (read more)
JML Optical Industries, Inc. - Antireflective Coatings for Efficient Transmission
JML has a complete coating capability that is an integral part of it's manufacturing facility. Our engineers have years of experience in design, application and testing of thin-film coating on both... (read more)
Edmund Optics Inc. - Transmission Gratings for Visible Region
Low Polarization Sensitivity Ideal for In-Line Configurations Transmission Gratings are designed to disperse incident light at specific angles. Angular dispersion is a function of angle of... (read more)
General Digital Optical Bonding Laboratories - Film Laminations...
Light emitting displays, including LCD, OLED, Plasma and other technologies, all suffer from a visibility problem when used under conditions which include high ambient lighting levels. The solution is... (read more)
Cascade Optical Corp. - Dielectric Mirrors
Standard high reflectors with R >99.95% over 0°±45° are available at any wavelength from 190nm to 12m.m. The Damage threshold is in the GW/cm2 range for 10nS pulses with 30Hz repetition rate, or in... (read more)
Dontech Incorporated - Antireflective Films
Experience The VARGard™ Difference Antireflective Films for High Quality Display Enhancements... (read more)
National Photocolor Corp. - Standard Pellicle Coatings...
National Photocolor offers a wide variety of coated pellicles from their large inventory.... (read more)
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Topics of Interest
Thermal reflections are a common source of problems in interpreting infrared (IR) thermal images. In particular, atomically smooth surfaces like glass, metals, or wet surfaces, and also brick and... (Read More)
Two terms used to talk about the impact of ambient lighting on displays are reflection and glare. The reduction of these is done using surface treatments for the display which are termed... (Read More)
For those cases which do not require the ruggedization provided by bonded glass panels, General Digital™ Optical Bonding Laboratories™ recommends the use of GenGard™ film... (Read More)
Planar offers many electroluminescent (EL) displays with a very thin polycarbonate film of anti-glare (AG) coating laminated onto the display. By providing a microscopically rough surface, the... (Read More)
How can you tell which side of an optic is coated? Let’s say you consult the print and it says Side 1 should be coated. So which is Side 1? Assuming your design team anticipated this question, you... (Read More)
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Technical Articles
Reflections on Reflections - Computer Peripherals
Anti-Reflection Coatings - Optical Components
Antiglare vs Antireflection - Computer Peripherals
Optical Bonding of LCDs, OLEDs and Plasma Displays - Computer Peripherals
Gloss Standards and Measurement - Computer Peripherals
Optical Enhancement Tutorial - Computer Peripherals
Optical Film Enhancements of LCDs, OLEDS and Plasma Displays - Computer Peripherals
Solving Problems Encountered When Using Long Cables for an External Clock Signal - Lab and Test Equipment
Identification and Suppression of Thermal Reflections in Infrared Thermal Imaging (.pdf) - Video Cameras and Accessories
GenFlective™ Technology - Computer Peripherals
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See more product announcements for Excimer Lasers
Laser Diode Modules

Laser Diode Modules
Rolyn Optics Company


Nema4X High Performance Diode Laser Module

Nema4X High Performance Diode Laser Module
Diode Laser Concepts, Inc.


DLC’s New High Performance Diode Laser Modules

DLC’s New High Performance Diode Laser Modules
Diode Laser Concepts, Inc.


11 See more product announcements for Excimer Lasers



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