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Mark Slutzki, Product Manager, Ophir

If you need to measure your laser beam’s power or energy, but the usual cable connection between the sensor and the meter is not practical, Ophir’s Quasar may be the right solution for you.

Quasar is a wireless PC interface that connects a sensor to a PC by Bluetooth, a proven and popular interface. Using the Quasar enables working in environments where cables are not an option, for example, in areas that are supposed to be sealed, such as a high power measurement chamber, a glove box,...

Dick Rieley, Sales Manager, Mid-Atlantic Region, Ophir (U.S.)

When applications call for beam diagnostics in the SWIR spectral range, specifically the 1.5μm region, there are two practical options available: a phosphor-coated CCD camera or an InGaAs array camera. Here is where it may seem that the decision is easily reached, but it is the wrong solution.

Phosphor-coated CCD array cameras, although they may be reasonably inexpensive, possess significant measurement and imaging limitations. InGaAs array cameras can be more expensive, however, the...

Corrosion Report 

Symptoms and Recommendations

Through the last several years in the calibration lab, we have seen an increase in the number of sensors that are being processed that have excessive corrosion. This corrosion typically presents itself in the form of “pitting” in the internal chambers, and is frequently characterized by the presence of films and build up in the internal chambers. In Figure 1, you can see examples of the...

Ephraim Shafner, R&D Engineer

By Christian Dini, Director, Global Business Development, Ophir

High-end laser systems usually undergo meticulous testing right up until commissioning. However, this close monitoring often stops once the systems are put into production. This is where enormous optimization potentials, both economical and ecological, lie ripe for the picking.

In the past few decades, production processes – particularly in manufacturing – have...

Join us at Laser World of Photonics, , June 26-29, 2017, in Munich, to see our complete line of laser beam profiling and power / energy measurement systems. We'll be in the MKS booth, along with Newport and Spectra-Physics, Hall A2, Booth 209. Here's a sneak peak at several new products that will be introduced at the show...

By Kevin Kirkham, Senior Manager, Product Development, Ophir

“What’s dynamic range anyway?” or “Why is it so important to state it right?”

By the end of this article you’ll be fully exposed to the importance of stating your dynamic range correctly and will get a quick lesson about how Ophir-Spiricon, a global leader in precision infrared optics and photonics instrumentation, determines its products’ dynamic range properly....

By Dick Reiley, Sales Manager, Mid-Atlantic Region, Ophir

When working with exotic optical wavelengths and unusually low average powers, relying on one standard measurement technology is typically not sufficient. Each technology can offer advantages, but also has limitations. Using multiple measurement technologies is often the best approach to validate results with a level of high confidence.

In nuclear magnetic resonance...

By Chuck Reagan, Sales Engineer, Ophir

You may be wondering what to expect when you ask us for a laser beam profiling demo. Here's how it works.

Step 1: Exchange Information

Our first objective is to learn more about you, your laser, and your application. We may start with the question, "Why do you want a demonstration?" People have different reasons. Here's what we often hear from customers:

  • You are curious about the mode or shape of your beam...

By Kevin Kirkham, Senior Manager, Product Development, Ophir

Sensor: "A device that detects or measures a physical property and records, indicates, or otherwise responds to it.” A sensor is a device that detects a physical quantity and responds by transmitting a signal.

Fusion: "The process or result of joining two or more things together to form a single entity.” A blending, amalgamation, joining, marrying,...

By Chuck Reagan, Sales Engineer, Ophir (U.S.)
There are a number of valuable tools found on the Ophir web site that help lasers users determine the appropriate sensors for their laser beams. These tools also help compute power or energy density, peak and average power, laser fluence, sensor damage limits, safety, and focal spot size.

Basic Sensor Finder Program
This is our original Sensor Finder program...

Via StarLab it’s easy.

Via RS232: We do not provide RS232 commands for starting the logging on the meter, so this is not directly possible.

However, the customer can use the Simulate Key-press command to provide a virtual keypad control in order to set up and start the logging on the meter. Extracted from our “Remote Control” documentation:
 

By Gary Wagner, General Manager, Ophir (U.S.)

Additive manufacturing has restructured prototyping, development, and advanced design of mechanical components. Direct Metal Laser Melting, also known as Selective Laser Sintering or 3D Metal Printing, is quickly becoming the standard for designs that cannot be fabricated with traditional metal removal techniques. To create consistent, strong structures using laser-based additive manufacturing processes that meet flyable DOD standards or FDA requirements, the metallurgy must be...

By Mark S. Szorik, Pacific Northwest Regional Sales Manager, Ophir Photonics

Since the Scientific Revolution of the 1500’s and the Industrial Revolution of the 1700’s, both science and industry have moved and merged at a rapid pace. Every time you look through a trade journal, listen to the daily news, or explore the Web, you see announcements about discoveries and inventions. Remember thinking how fantastical the technologies showcased in the movie Star Wars were? Yet today we are beginning to see...

By Mark S. Szorik, Pacific Northwest Regional Sales Manager, Ophir Photonics

Since the late 1950’s, lasers have rapidly evolved from a somewhat simplistic physics laboratory curiosity to a complex, multifunction tool that is a mainstay in many industries and research institutions. Most of us have used laser pointers, played a game of laser tag, or seen lasers used at light shows or concerts. But few people know that lasers are also commonly used for such important applications as communications,...

By Shimon Elstein, Senior Physicist

Measuring optical signals in the femtowatt (10-15) to nanowatt (10-9) range can be a daunting task. Signal levels this low are lost in typical detector noise levels and swamped by background light. The noise floor for photodiode detectors operated with a small bandwidth (~10 Hz) is on the order of 1 picowatt (10-12). Further narrowing of the bandwidth by filtering or averaging will only provide a small additional reduction in the...

Kenneth Ferree, Director of Sales, Ophir Photonics
19th century British physicist and engineer William Thomson, 1st Baron Kelvin, was the first to say, “If you can’t measure it, you can’t improve it.” When applying this principle to improving laser-based processes, there are a variety of parameters that must be measured because components of laser systems will always seek a way to revert to their natural states…
Each sensor from Ophir includes a performance specification datasheet but not a user manual. This datasheet lists operational parameters for the sensor, including items such as spectral range, power range, aperture size, accuracy specification, etc. Copies of these datasheets for current sensors are available on the website by clicking on the “Specifications” tab of the sensor's product page...
Often we get requests for the Total Optical Path Length when beam splitters are used on our line of 4.5 mm recessed CCD cameras. For a common setup using beam splitters P/N SPZ17015 and either one or two P/N SPZ17026 here are the Total Optical Path Length and a couple of pictures showing the layout. Length 2 (From first beam splitter to second beam splitter) Length 3 (From second beam splitter to third beam splitter) Total Optical Path Length with 2 beam splitters Total Optical Path Length with 3 beam splitters...

By Dick Rieley, Field Sales Engineer III, Mid-Atlantic Region, Ophir-Spiricon

The selection of an appropriate sensor to measure the power of a laser seems to be a simple and straightforward process. The sensor technology doesn’t seem to be too complex, the physical setup of the sensor seems easy enough. Yet, more often than not, the sensor turns out to NOT be the right one. As a result, inaccurate measurements are obtained, the sensor exhibits premature failure, and costly full disc...

Introduction

An integrating sphere collects electromagnetic radiation from a source usually external to the optical device, usually for flux measurement or optical attenuation. Radiation introduced into an integrating sphere strikes the reflective walls and undergoes multiple diffuse reflections. After numerous reflections, the radiation is dispersed highly uniformly at the sphere walls. The resulting integrated radiation level is directly proportional to the initial radiation level and may...

Derrick Peterman, PhD Ophir-Spiricon LLC

Small beams are used in many critical applications yet often they are not directly profiled. While obtaining good beam profiling data on beams under 10 μm has its challenges, they can be overcome with proven techniques.

Profiling beams under 10 μm in size is one of the more challenging beam profiling applications. There are numerous reasons for this, including the very small size. Focal plane arrays commonly...

Introduction
Ophir pyroelectric heads operate up to 25,000Hz depending on type. Ophir displays cannot always record energy up to the maximum rate of the head. For instance the Nova display can only sample every pulse up to ~10Hz even if the head is measuring at a much higher rate. With the pyro scope adapter you can look at the output of every single pulse on an oscilloscope at up to the maximum pulse rate of the head. Unlike competitive “dumb” heads, here you look at a square output after signal processing where the voltage is...

Problem: The “What’s This” feature only opens to the first page of the manual in Adobe Ready XI.
Solution...

With the introduction of BeamGage the capability of using the built in photodiode trigger in the SP camera series is now available. However, some customers may not know how to use it or that they even had this capability. 

With the recently...

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