RPMC Lasers Blog

    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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    Laser Diode Fundamentals: Understanding Longitudinal Modes

    There are two critical parameters that all lasers diodes must meet to begin the lasing process.  The first one of these parameters is that there must be more gain than loss inside the laser cavity, the point at which this condition is satisfied is...

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    New White Paper: Single frequency fiber lasers for Doppler Lidar

    At RPMC we are excited to announce the release of our newest lidar white paper titled "Single Frequency Fiber Lasers for Doppler Lidar."  Doppler lidar takes advantage of the fact that when light interacts with moving object, it experiences a...

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    Test your Knowledge with our Newest Laser Quiz

    In honor of the Pittcon conference this month, we here at RPMC Lasers have decided to gear our third quiz on lasers used in analytical instrumentation. In this quiz we cover a wide range of topics from Laser-Induced Break Down Spectroscopy (LIBS) to...

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    Visit RPMC Lasers at Pittcon

    RPMC Lasers will be exhibiting at Pittcon March 18-21 in Phildelphia, PA. Stop by our Booth # 2540 to see the products we will be featuring! Pittcon’s target audience is not just “analytical chemists,” but all laboratory scientists — anyone who...

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    Two-Photon Microscopy at the Harvey Lab - Harvard medical School

    Last summer we released a white paper titled "How Mode-Locked Lasers Affect the Past, Present, and Future of Two-Photon Microscopy" which reviewed in detail the evolution of two-photon microscopy, with a particular focus on its usefulness in producing...

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    What Laser to use for TOF-MS

    Mass spectrometry is an extremely powerful analytical tool for chemical analysis, which is widely utilized in applications ranging from forensics to pharmaceuticals, because of its ability to detect the atomic constituents of an analyte but also...

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    Understanding Laser Diode Lifetime

    In October of 2017 RPMC Lasers, published a white paper titled “How to Improve Laser Diode Lifetime! Advice and Precautions on Mounting,” where we went on to describe in great detail the various package types and the best practices for ensuring the...

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    Laser Hair Removal

    Laser hair removal is one of the most popular medical laser applications worldwide and is projected to reach 1.35 billion dollars annually by the year 2022 according to Transparency Market Research. As this market started to explode in the early...

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    RPMC Lasers is Exhibiting at Biophysical Society Annual Meeting

      RPMC Lasers will be exhibiting at Biophysical Society annual meeting  March 3-5 in Baltimore, Maryland. Stop by our Booth # 339 to see what products we will be featuring.  Biophysics, the bridging science, uses mathematics to explains what happens...

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    The Influence of Laser Wavelength on Raman Spectroscopy

    As discussed in previous posts, Raman spectroscopy is a rapidly growing analytical technique used in a wide variety of industries for material identification, but with so many different laser options it can be somewhat challenging to understand which...

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    Laser Diode Fundamentals: Beam Properties

    Whether a diode laser is a traditional monolithic design or utilizes an external cavity configuration, the laser light must still propagate through the diode’s PN-junction via a ridge waveguide.   As a result, the beam profile of edge emitting diodes...

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