{"id":2945,"date":"2018-07-21T08:41:12","date_gmt":"2018-07-21T08:41:12","guid":{"rendered":"http:\/\/themes.webdevia.com\/smart-home-wordpress-theme\/?page_id=2945"},"modified":"2024-04-18T15:34:27","modified_gmt":"2024-04-18T15:34:27","slug":"home-three","status":"publish","type":"page","link":"https:\/\/amplificationtechnologies.com\/","title":{"rendered":"Home"},"content":{"rendered":"

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\r\n\t\t\t\t\tWelcome to Amplification Technologies\t\t\t\t<\/h1>\r\n\r\n\t\t\t\t
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\r\n\t\t\t\t\tDiscrete Amplification Photon Detector (DAPD)\t\t\t\t<\/h3>\r\n\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t<\/div>\r\n\r\n\t\t\r\n\r\n
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1550nm Digital 5×5 DAPD Array Time-of-Flight LiDAR Receiver[\/vc_cta][\/vc_column][\/vc_row][vc_row full_width=”stretch_row” css=”.vc_custom_1567007744117{margin-bottom: 20px !important;padding-bottom: 50px !important;background-image: url(https:\/\/amplificationtechnologies.com\/wp-content\/uploads\/2019\/08\/Depositphotos_239869320_l-2015-5_2a56bb5d717299f3078b61a37b89a79a-1.png?id=3755) !important;}” el_class=”row-visible”][vc_column]\r\n\r\n
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Discrete Amplification Photon Detector (DAPD) <\/strong>Optimized for 3D LiDAR Applications<\/strong><\/h1>\n

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Amplification Technology developed and offers various photon-detector array configuration as well as single photon-detector. <\/strong> Our photon detectors are based on a unique semiconductor photon detection technology: Discrete Amplification Photon Detector (DAPD). The technology is based on a multi-cell design, where a photo-detector is comprised of many (hundreds) micro-channel cells, so called micro-cells. These micro-cells are electronically grouped together to form the anode of the photodetector.<\/div>\n

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In addition, monolithic integration of a negative feedback mechanism completed this design, to form the DAPD. The outcome design is one that operates with a direct current biasing, in which the DAPD is always on, and does not have \u201cdead-time\u201d. The output of a detected photon, or an ensemble of photons, is an electronic short pulse, with height that is proportional to the number of detected photons.<\/div>\n

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Using the patented Discrete Amplification technology platform<\/strong>, photon detectors were implemented, with a wide dynamic range: from detecting a single photon, with approximately 25% single-Photon-Detection Efficiency, (PDE), up to thousands of photons, with a signal that is proportional to the number of photon.\u00a0 The DAPD is specifically usable in Li<\/u>ght D<\/u>etection A<\/u>nd R<\/u>anging (LiDAR)<\/strong> applications, especially when comparing the DAPD to Geiger-Mode Avalanche Photo-Detectors (GM-APD), because of the high throughput, the wide dynamic range, and the simplification of the biasing electronic circuit.\u00a0 One of the main advantages of the DAPD is the simplification of the post-detection digital signal processing (DSP) functions that are necessary to generate the point cloud rendering of the 3D scanning scene.\u00a0 More details can be found here<\/a>.<\/u><\/div>\n

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In summary the DAPD is a detector\/array that is specifically optimized for LiDAR applications, operating in the 1550nm wavelength range, with the following benefits:<\/div>\n

[\/vc_column_text][info_list_father][info_list_son style=”icon” size=”15″ width=”30″ height=”30″ titleclr=”#000000″ icon=”fa fa-check”]Single and multi photon detection ability: linear response to number of photons[\/info_list_son][info_list_son style=”icon” size=”15″ width=”30″ height=”30″ titleclr=”#000000″ icon=”fa fa-check”]Fast recovery time; no \u2018dead time\u2019[\/info_list_son][info_list_son style=”icon” size=”15″ width=”30″ height=”30″ titleclr=”#000000″ icon=”fa fa-check”]Simpler electronic, RF signal extraction and subsequent DSP processing[\/info_list_son][\/info_list_father][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner el_class=”custom-button text-center”]\r\n\r\n

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Wavelength Range<\/h3>\r\n

Photon detectors available using InGaAs\/InP absorbing layer for responsivity in a wide spectral range between 950nm to 1650nm<\/p>\r\n <\/div> \r\n <\/div> \r\n \r\n \r\n

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Sensitivity Level<\/h3>\r\n

Single photon level sensitivity with high (single) Photon Detection efficiency (PDE) of up to 25%<\/p>\r\n <\/div> \r\n <\/div> \r\n \r\n \r\n

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Stability<\/h3>\r\n

Excellent voltage and thermal stability<\/p>\r\n <\/div> \r\n <\/div> \r\n \r\n \r\n

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Linearity (proportionality)<\/h3>\r\n

Output signal is proportional to the amount of photons per pulse<\/p>\r\n <\/div> \r\n <\/div> \r\n \r\n \r\n

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Dynamic Range Wide dynamic range<\/h3>\r\n

>25dB for the 200\u00b5m DAPD<\/p>\r\n <\/div> \r\n <\/div> \r\n \r\n \r\n

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Fast response<\/h3>\r\n

Fast response (rise time <0.4ns), which is a function of a micro-cell, not the active area (photo-detection aperture) size<\/p>\r\n <\/div> \r\n <\/div> \r\n \r\n \r\n

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Recovery Time<\/h3>\r\n

Extremely fast recovery of a single micro-cell: with half time for recovery of ~50ns to 100ns<\/p>\r\n <\/div> \r\n <\/div> \r\n \r\n [\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner el_class=”custom-button text-center”]\r\n\r\n

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