Technical Articles
Measuring the Efficiency of Diffraction Gratings
While simple in principle, measuring the efficiency of diffraction gratings is a complex process requiring precise methods to achieve acceptable results. Every optical, mechanical, ...
Technical Articles
Diffraction Gratings - The Crucial Dispersive Component
A grating disperses light incident on it. Dispersion is the phenomenon by which a spectrum of light is separated in space by wavelength. Prisms also disperse light by wavelength and ...
Technical Articles
Effective Vibration Reduction Stabilizes Laser Beams - Laser Focus World
Optical tables and vibration isolation supports have become the de-facto standard for providing a stable environment for complex laser systems and their applications.
Technical Articles
Cost-Effective Freeforms - The Advent of Optics Without Boundries
What exactly is a freeform, and what makes it so useful? A freeform is a surface that lacks rotational and translational symmetry. This puts them in sharp contrast to most traditional ...
Technical Articles
Bringing Hybrid Bonding Into Production
Hybrid bonding promises to substantially advance semiconductor packaging by enabling smaller, denser assemblies that offer higher performance and improved reliability. Hybrid bonding ...
Technical Articles
Replicated Mirror Technology for Precision Optical System - Optica
High-performance mirrors sit at the heart of modern optical systems, and system capability often scales with aperture size and surface precision. Conventional routes to optical component ...
Technical Articles
Unlocking the Secrets of Replicated Mirrors
Replication offers a cost-effective method to produce complex optical geometries on diverse substrates complementing traditional “grind and shine” techniques. High-performance ...
Technical Articles
Keeping Optical Tables Steady - Photonics Spectra
Experimental results from a scanning laser doppler vibrometer eludicate the effects of active vibration damping.
Technical Articles
Automated Alignment Keeps Z Machine on Target - Laser Focus World
Computer-controlled motorized mirror mounts enable rapid realignment of beam-steering optics between discharges at Sandia National Labs’ Z machine.
Technical Articles
Automated Tests Improve Laser Diode Manufacturing - Laser Focus World
Tougher laser diode requirements for WDM systems have led to a new generation of automated production test equipment.
Technical Articles
Calibrating Photovoltaic Cells - Photonics Test Briefs
The basic function of a photovoltaic cell is to convert input sunlight energy expressed in irradiance into output usable electric energy.
Technical Articles
CMOS Cameras Allow Robust Active Stabilization of Laser Beams - Laser Focus World
Accurate measurement of the position of a laser beam can be achieved in several ways, each with its strengths and weaknesses. A comparison of these has resulted in an active beam-stabilization ...
Technical Articles
Demand for High-Speed Detectors Drives Research - Laser Focus World
Resonant-cavity enhanced detectors improve detection and wavelength selectivity, high-power traveling-wave detectors increase dynamic range of analog fiber links.
Technical Articles
How to Determine Your Equipment Needs
Vibration site surveys can tell you a lot about how to specify equipment for vibration isolation in your laboratory.
Technical Articles
Photo-emf Detector Enables Laser Ultrasonic Receiver - Optoelectronics World
Laser ultrasonic receiver with photoelectromotive force detector can measure dynamic displacement of rough surfaces moving at process speeds.
Technical Articles
Factors to Consider when Choosing an Alignment System - WDM Solutions
Savvy engineers know that the most economical system balances price with performance. Motion control plus thermal and mechanical stability can't be cut.
Technical Articles
Fast Steering Mirrors Improve Active Beam Stabilization - Optoelectronics World
Beam-stabilization modules based on fast steering mirrors correct errors in laser beam alignment and loosen specifications on other components while increasing system robustness.
Technical Articles
Innovative Photoreceivers Simplify Measurements - Laser Focus World
Applications for photodiodes combined with novel circuitry range from studies of meteor deposited metals In the upper atmosphere to calcium Ions In biological cells.
Technical Articles
Is Vibration Control Really Necessary for Microscopy? - BioPhotonics
Identifying and quantifying the potential noise sources in your lab are the first steps toward understanding what vibration control solutions may be required to achieve acceptable ...
Technical Articles
Large Gimbal Mounts for Focal Plane Testing - Motion Control Tech Briefs
A motorized gimbal mount has been developed to scan and position large, heavy optics with high angular resolution
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