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We demonstrate a photon-number-resolving homodyne detector based on InGaAs PIN photodiodes with active phase compensation. Our detector preserves the capable of detecting single photon and allows 20 photons to be precisely discriminated.
With application of the electronic fuse in Shrapnel, The Airburst Shrapnel and Jump Burst Shrapnel has appeared in the new ammunitions, Because of it small caliber and less charge weight, So after the explosion, the duration of firelight is short, It's can't be captured by the test system of Burst Point. High-speed cameras with high frame rate, high resolution, and high sensitivity imaging performance,...
In order to improve the accuracy of the flash intensity test system of the flash light bang, two models including an error calibration model and a single-element regression modification model were used to compensate the coaxial error. Original detection accuracy has been increased from 10E-6 to 10E-7 and the system accuracy has been increased from 10% to 4% by this method. So the system-test accuracy...
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