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Lasers, Light Sources White Papers
3SAE End-Cap Fusion Splicer (ECS)
The world's first portable end-cap fusion splicer that provides capabilities that overcome the limitations of current end-cap splicing processes.
Tunable Light Speeds up the Search for the Perfect Qubit
One of the most promising candidates for the perfect quantum qubit are defect centres in solid-state materials, also known as colour centres, which have been found to emit a single photon per excitation event when excited by laser light of a...
Robust 785 nm lasers for Raman by Cobolt
HÜBNER Photonics is one of the leading suppliers of all laser wavelengths to the high resolution Raman spectroscopy market and now introduces the 08-NLDM 785 nm ESP (enhanced spectral purity) as part of the Cobolt 08-01 Series. The 08-NLDM 785...
New Approach for High Reliability, Low Loss Splicing between Silica and ZBLAN Fibers
This paper presents results obtained by using the high thermal expansion coefficient of the ZBLAN fiber to encapsulate a smaller SiO2 fiber. A CO2 laser glass processing system was used to control the expansion and contraction of the ZBLAN material...
Photodigm HOT™ DBR Lasers
The Photodigm family of high-power edge-emitting Distributed Bragg Reflector (DBR) laser diodes is based on Photodigm’s proprietary single epi growth DBR laser architecture. Since their introduction over 10 years ago, Photodigm DBR lasers have...
Using Lighting to Optimize Camera Performance
How light works can be a complicated subject. One of the biggest rules of thumb in imaging is that there can never be too much light. However, a common problem is finding enough light to clearly image a subject. Utilizing light sources in an...
Industrial Laser Measurement Systems: Best Practices
When discussing laser applications, regardless of how the laser is used, it is imperative to understand how the laser is interacting with the material being processed. This article will detail why a laser’s performance is important for industrial...
Annular Heating of Optical Fiber with a CO2 Laser Using Reflective Axicon Elements
By offsetting the light structure, precise localized zone heating and annealing of specific areas at a fiber’s surface can be achieved as well. This is essentially a passive device into which active feedback elements can be incorporated to allow...
Colored Glass as a Versatile and Economical Means for Optical Filtering
Colored glass filters find many uses in optical systems including imaging, laser, and industrial equipment. We describe design and fabrication techniques for implementing low cost optical filters which are an excellent choice for production systems....
Ball Shaped End Caps
In this paper, general ball shaped end-caps are studied and illustrated. Different ball shaped end-caps were tested and measured for a variety of applications. For example, a 2.2 mm diameter ball shaped end-cap was manufactured on the end of the...
Multi-line Lasers Simplify Biomedical Imaging
The introduction of multi-line lasers to fluorescence instrumentation provides a compact, easy-to-use, and service-free solution for integrating up to four laser wavelengths with reliable, stable performance. In this white paper we explore the...
Laser Power Attenuation
The main topic is a discussion of the need to attenuate a laser beam for better and more accurate control of the output power required by many applications. One cost effective solution is to use small rotation stages that can rotate waveplates or...
DBR vs DFB
The Photodigm family of high-power edge-emitting Distributed Bragg Reflector (DBR) laser diodes is based on Photodigm’s proprietary single epi growth DBR laser architecture. The Photodigm DBR laser architecture consists of an electrically pumped...
VCSEL Measurement Solutions
Vertical Cavity Surface Emitting Lasers (VCSELs) are a type of semiconductor laser diode. Unlike edge emitting laser diodes, VCSELs emit upwards and thus can be easily packaged as emitter arrays containing hundreds of emitters on a single chip. Many...
How Much Will an Optical Filter Cost?
Filters are a critical element in the design of most optical systems. However, optimizing the trade-off between cost and performance isn’t obvious. With nearly a half century of experience in the business, Andover Corporation has a few tips to help...
Tolerance Analysis Tools Take the Guesswork out of a Colorful Illumination Design Problem
Tolerance analysis has largely been out of reach for illumination designers because of the time needed to perform the thousands of simulations required to get a meaningful statistical tolerance result, and because of a lack of built-in tolerance...
Single Frequency Fiber Lasers for Doppler Lidar
This article reviews Doppler lidar, which is widely used to measure the velocity of solid objects, winds, and aerosols. After reading this white paper, you will understand the entangled relationship between range and velocity resolution; and why it...
Measuring Small-Beam MFD: Overcoming the Challenges
Small beams are used in many critical applications, such as such as fiber optic coupling efficiency, defect scanning, optical design, and optical fabrication process control. Yet often, they are not directly profiled because determining the size of...
Remote API
The Remote API is a means of communication between a controller and a laser marking engine using Ethernet or a serial cable. The controller can be a PLC, a PC, or any other device capable of transmitting commands using the protocol described herein....
Linear Stages and Piezo Flexure Mechanisms Engineered to Advance Precision Motion Control
Part I: What Machine Builders want in a Precision Linear Motor Stage: Precision automation engineers have different requirements than their colleagues in the instrumentation sector: robustness, size, dynamics, and 24/7 reliability. Novel linear...
Measuring Aspheres in a 3-D World
This white paper provides a basic practical guide on the benefits of 3-D measurements of aspheres as well as a couple of real-world examples of parts that we have manufactured. This white paper also goes into detail why one may prefer measuring...
X-Ray Toroids
Optical fabrication techniques discussed to produce bent crystal analyzers that conform to toroidal surfaces for hard and soft x-ray applications including x-ray spectroscopy, ultrafast laser excited x-ray sources, imaging, and plasma diagnostics.
Tunable Laser Light Sources Advance Quantum Research
A remarkable number of photonic applications call for continuous-wave (cw) laser light that is widely tunable throughout the visible range of the spectrum. However, this spectral region remains difficult to access with conventional tunable laser...
Joined Fast Together: e-Mobility and Laser Welding in Automotive Production
The future of the automobile is the subject of hot debate. China is the leading market for electric cars and US startups have completely changed the approach for building a car. Wherever the road leads, one thing is sure – the latest automotive...
X-Mode™ DBRs Enable Extended Tuning Range
The Photodigm family of high-power edge-emitting Distributed Bragg Reflector (DBR) laser diodes is based on Photodigm’s proprietary single epi growth DBR laser architecture. The Photodigm DBR laser architecture consists of an electrically pumped...
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May 2024
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