Technical Notes
Fiber Optic Coupling
The problem of coupling light into an optical fiber is really two separate problems. In one case, we have the problem of coupling into multimode fibers, where the ray optics of the ...
Technical Notes
Optics Formulas
Light is a transverse electromagnetic wave. The electric E and magnetic M fields are perpendicular to each other and to the propagation vector k, as shown below. Power density is given ...
Technical Notes
How to Clean Optics
Dust and stains on Optics can cause scattering, and impurities on the optic surface can react with incident laser light to damage optical coatings. With proper handling and cleaning ...
Technical Notes
Linear Translation Stage Terminology
This glossary covers important terms related to linear translation stages.
Application Notes
Introduction to Laser Frequency Stabilization
The steps outlined in this application note can be used to stabilize a TLB-7000, TLB-6900, or TLB-6300 series tunable diode laser to a reference cavity using the Pound-Drever-Hall stabilization ...
Technical Notes
Motion Basics Terminology & Standards
The function of a stage is to constrain motion to a desired direction. For a linear stage, the desired motion is along an ideal straight line. Any motion in a constrained direction ...
Application Notes
The Michelson Interferometer Experimental Setup
Albert A. Michelson won the 1907 Nobel Prize in Physics “for his optical precision instruments and the spectroscopic and metrological investigations carried out with their aid.” One ...
Tutorials
Introduction to Positioning Equipment
This tutorial introduces opto-mechanical component design basics and will familiarize the reader with the issues that need consideration in the selection of the most commonly used tabletop ...
Technical Notes
Laser Damage Threshold
For continuous wave (CW) lasers the damage threshold can be calculated from the peak power and beam diameter. For example, to calculate the power density of a 50 mW Nd:YAG laser at ...
Selection Guides
Optical Mirror Mount Guide
We offer the widest range of off the shelf Mirror Mounts from low cost entry level to the highest performing, most stable mounts available anywhere. Use the selection guide below to ...
Technical Notes
High Speed Detectors
There are many common parameters one considers when selecting a detector for a particular application. These include pulsewidth, bandwidth, responsivity, spectral sensitivity, noise ...
Technical Notes
Stage Components Considerations
Choosing the right positioning technology for an application is a complex task. There are numerous choices of linear stages, rotation stages and actuators and each product has its own ...
Technical Notes
Optical Detector Definitions of Characteristics
This glossary covers important terms relating to our New Focus photodetectors and photoreceivers.
Technical Notes
Linear Translation Stage Technology Guide
Each material used in the design of a linear translation stage has its own unique set of advantages and disadvantages. The following is a summary of the properties for the most common ...
Selection Guides
Multi-Axis Manual Positioning Guide
Many of Newport's Manual Linear, Vertical, Rotation and Goniometric Positioners and Tilt Platforms have been designed to operate together so that they can easily be combined into countless ...
Technical Notes
Optical Mirror Mount Technology Guide
An Optical Mirror Mount is a device used in optics research that securely holds a mirror in place while allowing for precision tip and tilt adjustment. Due to the sensitive nature of ...
Tutorials
How the Picomotor Actuator Works
The Picomotor's actuator relies on the basic difference between dynamic and static friction. A graphic example of this is the “tablecloth trick,” in which a quick pull of the cloth ...
Application Notes
FM Spectroscopy With Tunable Diode Lasers
Frequency-modulation spectroscopy is a powerful tool that can achieve high sensitivities with a relatively simple experimental setup. Tunable diode lasers, in particular, can make the ...
Technical Notes
Control Theory Terminology
Common motion systems use three types of control methods. They are position control, velocity control and torque control. The majority of Newport’s motion systems use position control. ...
Application Notes
Phase-Shifting Interferometry for Determining Optical Surface Quality
Determining the surface quality of a critical component—the deviation from the intended shape whether flat, spherical, etc.—is crucial to high-precision manufacturing. Traditional methods ...
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