Technical Articles

While simple in principle, measuring the efficiency of diffraction gratings is a complex process requiring precise methods to achieve acceptable results. Every optical, mechanical, …

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 …

Optical tables and vibration isolation supports have become the de-facto standard for providing a stable environment for complex laser systems and their applications.

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 …

Hybrid bonding promises to substantially advance semiconductor packaging by enabling smaller, denser assemblies that offer higher performance and improved reliability. Hybrid bonding …

Experimental results from a scanning laser doppler vibrometer eludicate the effects of active vibration damping.

Computer-controlled motorized mirror mounts enable rapid realignment of beam-steering optics between discharges at Sandia National Labs’ Z machine.

Tougher laser diode requirements for WDM systems have led to a new generation of automated production test equipment.

The basic function of a photovoltaic cell is to convert input sunlight energy expressed in irradiance into output usable electric energy.

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 …

Resonant-cavity enhanced detectors improve detection and wavelength selectivity, high-power traveling-wave detectors increase dynamic range of analog fiber links.

Vibration site surveys can tell you a lot about how to specify equipment for vibration isolation in your laboratory.

Laser ultrasonic receiver with photoelectromotive force detector can measure dynamic displacement of rough surfaces moving at process speeds.

Savvy engineers know that the most economical system balances price with performance. Motion control plus thermal and mechanical stability can't be cut.

Beam-stabilization modules based on fast steering mirrors correct errors in laser beam alignment and loosen specifications on other components while increasing system robustness.

Applications for photodiodes combined with novel circuitry range from studies of meteor deposited metals In the upper atmosphere to calcium Ions In biological cells.

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 …

A motorized gimbal mount has been developed to scan and position large, heavy optics with high angular resolution

The demand for high-precision laser diode components has skyrocketed with the rapid growth of optical networks using dense wavelength division multiplexing technology that requires …

Bench-top laser-diode drivers and controllers have a wide variety of features, from voltage and temperature control to safety features and surge protection. Know the most important …