RPMC Lasers Blog

    Specifications for Target Imaging

    Last year we published a blog post on the subject of combining active imaging and night vision by using time-of-flight (TOF) gated lidar to produce three-dimensional images of a target without the need for visible light.  We will revisit this topic,...

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    Finding the Right Laser Solution - Case Study

    RPMC Lasers has always prided itself on our willingness and ability to provide system integrators with customized laser packaging solutions.  Our team of laser diode experts has been working as the interface between our customers and suppliers for...

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    Laser Diode Fundamentals: Diode Gain Threshold

    For any laser to function, there must be more gain inside the laser cavity than loss, and the point at which the laser gain is just large enough to overcome the cavity loss enabling lasing is called gain threshold.  While simple, in theory, this...

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    Investment in the Future - Integrated Optics

    RPMC Lasers, has partnered with Integrated Optics, for several years now, to provide our customers with high-quality compact diode-pumped solid-state (DPSS) and diode laser modules.   In order to meet growing production demands, Integrated Optics...

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    FAQ #1 – Can I operate multiple laser diodes from the same power supply?

    Here at RPMC Lasers, we have over 20 years of experience helping the photonics community with their solid-state laser needs.  Over this time, we have answered a wide range of questions from both end users and system integrators, ranging from...

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    Machine Vision For Inspection

    Introduction

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    Laser Diode Fundamentals - Fiber Coupling 2

    Laser Diode Fundamentals: Fiber Coupling (Part 2 of 2)

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    Micromake Machining Laser

    Last fall, we published a blog titled “Micromachining Lasers for Anti-Counterfeiting,” where we explored how laser micromachining can be used to embed microscopic two-dimensional identification codes directly onto the item of interest.   In addition...

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    Laser Diode Fundamentals - Fiber Coupling

    Laser Diode Fundamentals: Fiber Coupling (Part 1 of 2)

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    The Basics of Microchip Laser Harmonics

    Microchip lasers have been around since 1989 when they were first produced at MIT’s Lincoln Labs, but it wasn’t until recently that they have become commonplace in the commercial laser market.  As such, they are still somewhat misunderstood. In this...

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    ER: Glass Lasers for LIBS in Harsh Environments

    Laser-induced breakdown spectroscopy (LIBS) is one of the most popular laser based atomic spectroscopy techniques on the market today.  Nowadays, LIBS is rapidly becoming an indispensable tool for elemental analysis and is generally viewed as a...

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    RPMC Lasers is Exhibiting at CYTO Conference

      RPMC Lasers will be exhibiting at CYTO Conference June 22-26 in Vancouver, Canada. Stop by our Booth # 414 to see what products we will be featuring.  Cytometry, is a technique in which cells suspended in a fluid flow one at a time through a focus...

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    Flow Cytometry Review

    Flow cytometry is a method for simultaneously analyzing multiple physical properties of an individual cell as it flows through a beam of light in a fluid stream, including the cells size and fluorescence.   In practice, flow cytometry is essentially a...

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    Laser Diode Bar Stress

    Introduction In the past RPMC has taken a look at laser diode lifetime in both a white paper titled “How to Improve Laser Diode Lifetime! Advice and Precautions on Mounting,” and an application note called “Understanding Laser Diode Lifetime.” ...

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    Laser Diode Fundamentals: Single Longitudinal Mode Diodes

    In the last installment of our Laser Diode Fundamentals series, we took a deep dive into the underlying physical properties behind the longitudinal mode structure of laser diodes.  In that blog post, we explained the advantages and disadvantages to...

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    Er-YAG 2.94 Micron

    Flashlamp pumped pulsed Er:YAG lasers have been widely utilized in dermatology and dentistry as an alternative to CO2 lasers, but historically continuous wave (CW) and quasi-continuous wave (QCW) Er:YAG lasers were problematic due to their unique...

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    Using Lasers to Detect Greenhouse Gasses

    Introduction  Methane (CH4) is the principal component in natural gas making up about 97% of its concentration, with the remainder consisting of small amounts of more complex hydrocarbons like ethane (C2H6), propane (C3H8), butane (C4H10), and pentane...

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    Diodes for Optical Tweezers

    Micromanipulation of sub-millimeter objects is one of the more underappreciated technical challenges in modern scientific research.   To fully understand their properties, objects such as dielectric spheres, viruses, bacteria, living cells,...

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    Laser Texturing

    Injection molding is a widely used process for rapidly mass-producing low cost highly uniform mechanical parts.  On a cursory level, it is a relatively straight forward process by which molten material (metal, glass, polymer, etc.) is injected into a...

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    Diodes for 3D Printing

    Additive manufacturing, or as its more commonly referred - 3D printing, has revolutionized manufacturing processes over the past ten years.  This technology which was once reserved for high-end research and prototyping applications is now so...

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    Lasers For Tattoo Removal

    Nearly one-third of all Americans have at least one tattoo, and of those who do roughly one-quarter of them say they regret getting it.  As a result, nearly 27 million people in the United States alone have at least one unwanted tattoo.   Based on...

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    First Ever Image of a Black Hole in the Center of the M87 Galaxy.

    On April 10th, the scientific community was elated at the release of the first-ever image of a black hole in the center of the M87 galaxy in the Virgo Cluster.  By Imaging the photon ring around the black hole shadow and utilizing the Schwarzschild...

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    Digital Holographic Microscopy

    Holography is simultaneously one of the most well-known and yet most misunderstood optical techniques.  The word hologram derives from the combination of two different Greek words “holo” meaning “whole” and “gram” meaning “drawing.”  Understanding the...

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    Optical Particle Counting

    Optical particle counting is widely deployed in cleanrooms around the world as a means for counting and sizing the number of particles in the air.  Most people who have ever worked in a clean room, are familiar with the Federal Standard 209E cleanroom...

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    Diodes for Acne Treatment

    According to the American Association of Dermatology (AAD), acne is the most common skin condition in the United States, affecting up to 50 million Americans annually with a nontrivial percentage suffering from a chronic form of the condition. ...

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