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Engineering Reference Materials for Schematics Laser HeNe
  • Advantages of Semiconductor Laser Diodes Versus Helium Neon Gas Lasers

    Although HeNe gas lasers offer exceptional reliability and optical quality, users are quickly replacing them in their OEM applications with semiconductor laser diode technology. Laser diode modules offer many physical and electronic advantages over HeNe lasers. HeNe gas lasers provide superior

  • Fundamentals of Lasers

    of the presence of astigmatism (see Diodes vs. HeNe). The output power specified is the maximum power value of the laser light after the beam exits the laser housing; in other words, power is rated after passing through (but not before) any optics. Values stated are typically within +/-10%. The light

  • What Is a Ballast Resistor and Why Should I Use One?

    A ballast resistor is a mechanism placed in series with a HeNe gas laser anode. The unit works to promote a stable electrical discharge and to prevent the laser from oscillating. The rating of the ballast resistor must be high enough to stop the oscillation, yet low enough to prevent unnecessary

  • Helium-Neon Lasers

    A helium-neon (henceforth abbreviated HeNe) laser is basically a fancy neon sign with mirrors at both ends. Well, not quite, but really not much more than this at first glance (though the design and manufacturing issues which must be dealt with to achieve the desired beam characteristics, power

  • Understanding Spatial Filters

    Laser Objectives are designed for HeNe lasers (632.8nm) and provide the smallest spot sizes possible. Choosing the correct pinhole and objective combination will yield optimal results. The following equations were used to determine the values for the Aperture Selection Chart.

  • MICRO:Product Technology News (Oct '99)

    Matrix S200 metrology systems for CMP and etch provide application-specific sets of metrology techniques. The S200 CMP system has a 5 ' 10-mm-spot, 633-nm HeNe laser ellipsometer for measuring on-product substrate n and k and a 2.5-mm-spot, 470 905-nm reflectometer for measuring film thickness

  
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Product Announcements for Schematics Laser HeNe
Kryton Engineered Metals, Inc.
Laser Cutting

As an innovator in the industry, Kryton Laser Cutting is always on the leading edge of technology. Kryton Engineered Metals has consistently shown how customized, high quality, manufactured metal products can be produced at a reasonable cost within production schedules that exceed customer expectations. Kryton's laser capabilities include some of the newest and fastest flatbed fiber lasers and a state-of-the-art 5 Axis laser allowing us to cut 3-Dimensionally.

Trotec Laser, Inc.
Laser Engraving with Trotec Laser Systems

Nobody knows laser engraving like Trotec. Trotec's state-of-the-art laser engraving equipment is designed to deliver quick, clean, quality results for a broad range of needs. Find out more about how you can best use Trotec's laser engraving systems. Whether you choose by application, or material, you'll find a host of uses for laser engraving with Trotec.

United Testing Systems, Inc.
Laser Extensometer

Using a unique laser scanning approach developed by United Calibration Corporation, the United Laser Extensometer permits accurate non-contact extension measurement from the start of the test through sample failure without test interruption. Designed to provide accurate extension measurements from less than 1% to greater than 1000% strain, this versatile optical scanning device performs well for sample testing with an environmental chamber at elevated or even very low test temperatures, as well...