{"id":31692,"date":"2022-12-30T15:25:57","date_gmt":"2022-12-30T15:25:57","guid":{"rendered":"https:\/\/www.africa-press.net\/mozambique\/all-news\/russian-scientists-discover-how-to-create-super-powerful-laser-radars-for-drones"},"modified":"2022-12-30T16:03:08","modified_gmt":"2022-12-30T16:03:08","slug":"russian-scientists-discover-how-to-create-super-powerful-laser-radars-for-drones","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/mozambique\/all-news\/russian-scientists-discover-how-to-create-super-powerful-laser-radars-for-drones","title":{"rendered":"Russian Scientists Discover How to Create Super-Powerful Laser Radars For Drones"},"content":{"rendered":"

Africa-Press – Mozambique. <\/strong><\/span>Transport drones have so far relied on laser LiDARS (Light Detection and Ranging), measuring the pulse that bounces back from a surface to measure distances. The new research has been described as a way to boost the power of such radiation.<\/p>\n

A method for producing high-power laser radiation necessary for the development of transport drones has been invented by Russian scientists at the Ioffe Physical-Technical Institute of the Russian Academy of Sciences in St Petersburg.<\/p>\n

Transport drones that have been created recently can only work when using laser LiDARS (Light Detection And Ranging). In effect, these lasers collect data about a surface by measuring the \u201cbounce back\u201d time of reflected laser beams to the receiver.<\/p>\n

The main difficulty in the use of LiDARS is that to \u201cview\u201d an object hundreds of meters away in whatever weather and conditions, a great deal of power is needed for the laser to be sufficiently bright while operating at nanosecond speeds. At present, fiber and solid-state lasers are used in LiDARS but because they need an additional \u201cpumping\u201d stage (to transfer energy from an external source to the laser), they are inefficient.<\/p>\n

The institute\u2019s scientists managed to get rid of \u201can extra stage in the chain of converting energy for the power source into energy for laser radiation,\u201d said Sergei Slipchenko, senior researcher at the Ioffe Institute\u2019s Laboratory of Semiconductor Laser Diodes. According to him, they have \u201cproposed an alternative\u201d.<\/p>\n

New, optimized layers of heterostructures, consisting of different compositions, resulted in minimal energy loss. Furthermore, the scientists have managed to create a technology for so-called selective epitaxy (a type of crystal growth) for high-power lasers, when heterostructures can be grown on a specially prepared substrate.<\/p>\n

As a result of the breakthrough research, the efficiency of high-power semiconductor lasers exceeded 70 percent, which is twice the efficiency of solid-state and fiber lasers. The team of researchers also managed to obtain laser pulses with a duration of 100 nanoseconds and with a peak power of more than 1 kilowatt from a surface measuring fractions of square centimeters.<\/p>\n

Nikita Pikhtin, associate professor at the Department of Photonics at LETI and head of the Ioffe Institute\u2019s Center for Nanostructure Physics, explained that in high-power lasers, the size of the element and the emitting region must be larger, so that it can convert a greater amount of energy into light.<\/p>\n

The next stage of the research, which was carried out with the financial support of the Russian Science Foundation, will be to increase the spectral brightness of the lasers.<\/p>\n

For More News And Analysis About Mozambique<\/a> Follow Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Mozambique. Transport drones have so far relied on laser LiDARS (Light Detection and Ranging), measuring the pulse that bounces back from a surface to measure distances. The new research has been described as a way to boost the power of such radiation. A method for producing high-power laser radiation necessary for the development […]<\/p>\n","protected":false},"author":84,"featured_media":31691,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,9],"tags":[233,281,283],"class_list":["post-31692","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-news","category-miscellaneous","tag-africa-press","tag-africa-press-mozambique","tag-mozambique"],"yoast_head":"\nRussian Scientists Discover How to Create Super-Powerful Laser Radars For Drones - Mozambique<\/title>\n<meta name=\"description\" content=\"Transport drones have so far relied on laser LiDARS (Light Detection and Ranging), measuring the pulse that bounces back ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/mozambique\/all-news\/russian-scientists-discover-how-to-create-super-powerful-laser-radars-for-drones\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Russian Scientists Discover How to Create Super-Powerful Laser Radars For Drones\" \/>\n<meta property=\"og:description\" content=\"Transport drones have so far relied on laser LiDARS (Light Detection and Ranging), measuring the pulse that bounces back ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/mozambique\/all-news\/russian-scientists-discover-how-to-create-super-powerful-laser-radars-for-drones\" \/>\n<meta property=\"og:site_name\" content=\"Mozambique\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/AfricaPressTunisiaa\" \/>\n<meta property=\"article:published_time\" content=\"2022-12-30T15:25:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-12-30T16:03:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/mozambique\/sites\/64\/2022\/12\/postQueueImg_1672401372.12.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditoren\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditoren\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/mozambique\/all-news\/russian-scientists-discover-how-to-create-super-powerful-laser-radars-for-drones#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/mozambique\/all-news\/russian-scientists-discover-how-to-create-super-powerful-laser-radars-for-drones\"},\"author\":{\"name\":\"cfeditoren\",\"@id\":\"https:\/\/www.africa-press.net\/mozambique\/#\/schema\/person\/068c7ab4e9634ae78ec5d54ec46598bb\"},\"headline\":\"Russian Scientists Discover How to Create Super-Powerful Laser Radars For Drones\",\"datePublished\":\"2022-12-30T15:25:57+00:00\",\"dateModified\":\"2022-12-30T16:03:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/mozambique\/all-news\/russian-scientists-discover-how-to-create-super-powerful-laser-radars-for-drones\"},\"wordCount\":443,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/mozambique\/all-news\/russian-scientists-discover-how-to-create-super-powerful-laser-radars-for-drones#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/mozambique\/sites\/64\/2022\/12\/postQueueImg_1672401372.12.jpg\",\"keywords\":[\"Africa Press\",\"Africa Press-Mozambique\",\"Mozambique\"],\"articleSection\":[\"all news\",\"miscellaneous\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/mozambique\/all-news\/russian-scientists-discover-how-to-create-super-powerful-laser-radars-for-drones#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/mozambique\/all-news\/russian-scientists-discover-how-to-create-super-powerful-laser-radars-for-drones\",\"url\":\"https:\/\/www.africa-press.net\/mozambique\/all-news\/russian-scientists-discover-how-to-create-super-powerful-laser-radars-for-drones\",\"name\":\"Russian Scientists Discover How to Create Super-Powerful Laser Radars For Drones - 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