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Silicon Lithium X-Ray Detectors are the heart of solid state x-ray spectroscopy systems. These detectors, which are p-i-n devices formed by lithium compensation or drifting of p-type silicon, are the result of some of the most carefully controlled manufacturing processes in existence.

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by S Morel · 2011 · Cited by 6 — Now /)0000 and /1′00000 are known, and Newton's formula can be used to calculate the lens focal length. c. Uncertainty analysis. Sources of error are the same ...

Because germanium has relatively low band gap, these detectors must be cooled in order to reduce the thermal generation of charge carriers (thus reverse leakage current) to an acceptable level. Otherwise, leakage current induced noise destroys the energy resolution of the detector. Liquid nitrogen, which has a temperature of 77 °K is the common cooling medium for such detectors. The detector is mounted in a vacuum chamber which is attached to or inserted into an LN2 Dewar. The sensitive detector surfaces are thus protected from moisture and condensable contaminants.

Fresnel lenses consist of a flat surface with interspaced, concentric steps whereby each step corresponds to the surface of a conventional ...

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The Mirion XtRa unit is a coaxial germanium detector having a unique thin-window contact on the front surface which extends the useful energy range down to 3 keV.

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Germanium detectors are semiconductor diodes having a p-i-n structure in which the intrinsic (i) region is sensitive to ionizing radiation, particularly X-rays and gamma rays. Under reverse bias, an electric field extends across the intrinsic or depleted region. When photons interact with the material within the depleted volume of a detector, charge carriers (holes and electrons) are produced and are swept by the electric field to the p and n electrodes. This charge, which is in proportion to the energy deposited in the detector by the incoming photon, is converted into a voltage pulse by an integral charge sensitive preamplifier.

A beamsplitter, or beam splitter, is a piece of glass with a specialized mirror coating that reflects AND transmits light at the same time.

Since they are mechanical in nature, the maximum frequency is limited to the high kHz domain, due mainly to air resistance. The diameter of the laser beam also ...

Silicon Lithium X-Ray Detectors are the heart of solid state x-ray spectroscopy systems. These detectors, which are p-i-n devices formed by lithium compensation or drifting of p-type silicon, are the result of some of the most carefully controlled manufacturing processes in existence.

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The process of adding dyes to specimens to increase contrast and visibility. Bright-field Microscopy: A standard microscopy technique where light passes through ...

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Lithium drifted Silicon detectors to address the need for better detection efficiency for high energy charged particles.

Lithium drifted Silicon detectors to address the need for better detection efficiency for high energy charged particles.

S42 Structural Bandsaw Blade : Up to 8839mm / 29'feet / 348"inches / Width: 27mm/1"

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The key components of a Raman spectrometer include: Laser Source: Provides monochromatic light to illuminate the sample, usually in the visible, near-infrared, ...

The Mirion Intelligent Cryo-Cycle Cryostat is the latest enhancement of the “hybrid” cryostat combining the advantages of electric cooling with the reliability of liquid nitrogen.

Since plastic Fresnel lenses can be made larger than glass lenses, as well as being much cheaper and lighter, they are used to concentrate sunlight for heating ...

Germanium detectors are semiconductor diodes with p-i-n structure in which the intrinsic (i) region is sensitive to ionizing radiation, particularly X-rays and gamma rays.

Most artificial light sources will emit some UVA. These principally include lamps that use Mercury in their discharge, such as High-Pressure ...

The Mirion XtRa unit is a coaxial germanium detector having a unique thin-window contact on the front surface which extends the useful energy range down to 3 keV.

The Mirion Intelligent Cryo-Cycle Cryostat is the latest enhancement of the “hybrid” cryostat combining the advantages of electric cooling with the reliability of liquid nitrogen.

Allied Vision cameras are offered in a number of other series including Mako GigE, Manta GigE, Prosillica GT GigE, Goldeye SWIR, Stingray Firewire and Guppy Pro ...