Products/Services for Polarizer Block

  • Polarizer Mounts-Image
    Polarizer Mounts - (11 companies)
    Polarizer Mounts Information. Polarizer mounts are used to hold and support polarizers. A polarizer is a light filter, which only allows light waves of a certain rotation to pass through. Optical polarizer mounts are specialized holders designed... Search by Specification | Learn More
  • Circular Polarizers-Image
    Circular Polarizers - (15 companies)
    Circular polarizers block all photons rotating in one direction while allowing those rotating in the opposite direction to pass. They are assemblies that consist of a linear polarizer and a wave retarder, usually a quarter waveplate or half... Search by Specification | Learn More
  • Optical Polarizers-Image
    Optical Polarizers - (167 companies)
    ...light into two separate plane polarized beams. Circular polarizers block all photons rotating in one direction, while allowing those rotating in the opposite direction to pass. These optical polarizers are assemblies that consist of a linear polarizer... Search by Specification | Learn More
  • Pillow Block Bearings-Image
    Pillow Block Bearings - (354 companies)
    ...are constructed of a housing and a bearing. Many pillow blocks have a replaceable bearing, referred to as an insert bearing. Bearings used with pillow block housings usually are self- aligning to compensate for angular misalignments. Pillow blocks... Search by Specification | Learn More
  • Concrete Blocks and Cement Blocks-Image
    Concrete Blocks and Cement Blocks - (185 companies)
    Concrete blocks and cement blocks are preformed, manufactured concrete structures that are ready for on-site installation. They are manufactured, cast, and cured in factories or other production facilities. Most concrete blocks and cement blocks... Search by Specification | Learn More
  • Terminal Blocks - (769 companies)
    ...block, and are used for wire-to-wire connection. Single feed terminal blocks have one input and one output contact: two distinct wires are fed into either side of the terminal block and are connected within its housing. A single feed terminal block... Search by Specification | Learn More
  • Pulley Blocks - (135 companies)
    ...applications. Pulley blocks often use eye hooks, clevis hooks, or grab hooks for connections to other lifting and rigging hardware. Pulley block shackles are U-shaped pieces of metal with a pin or bolt across the opening, or hinged metal loops that are secured... Learn More
  • Safety Blocks - (15 companies)
    ...come with additional wedges or a screw device. An adjustable screw device is added to a die safety block to prevent any space between the block and the die punch. Safety wedges may also be used to close up the space between the safety blocks... Learn More
  • Camera Filters - (36 companies)
    ...of light. Linear polarizer- Linear polarizer filters allow a preferred orientation of light; frequently used to block glare, especially from metal objects. Effects of a polarizer. Image Credit: all-things-photography.com. Circular polarizer- Circular... Search by Specification | Learn More
  • Gage Blocks - (122 companies)
    ...a central hole and are held together with an external gage block holder. Rectangular gage blocks have one or more centrally located holes for mounting on holding bars. Wear gage blocks are used on the ends of the gage block stack that contact... Search by Specification | Learn More
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This application note describes a closed loop computer controlled variable attenuator (figure 1) for the control of output power of a laser. It is based on the combination of a 1/2 wave-plate and polarizer. The algorithm used to control power operates in a closed loop with Proportional Integral...

This application note describes a closed loop, computer-controlled, variable attenuator (Figure 1) for the control of output power from a tunable laser. It is based on the combination of a 1/2 wave-plate and a polarizer. The algorithm used to control power operates in a closed loop...

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