Physics / Physics.optics

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A Simple Proposal for a Solution to the Accommodation-Vergence Mismatch Problem in 3D Displays

A Simple Proposal for a Solution to the Accommodation-Vergence Mismatch Problem in 3D Displays

๋ณธ ๋…ผ๋ฌธ์€ 3D ๋””์Šคํ”Œ๋ ˆ์ด์—์„œ ๋ฐœ์ƒํ•˜๋Š” ์ˆ™๋ฐ• ์‹œ์•ผ ๋งž์ถค(Accommodation Vergence Mismatch, AVM) ๋ฌธ์ œ์— ๋Œ€ํ•œ ํ•ด๊ฒฐ์ฑ…์„ ์ œ์•ˆํ•˜๊ณ  ์žˆ๋‹ค. ์ด ์—ฐ๊ตฌ๋Š” ํŠนํžˆ ์‹œ์ฒญ์ž๊ฐ€ 3D ์ฝ˜ํ…์ธ ๋ฅผ ๋ณผ ๋•Œ ๊ฒฝํ—˜ํ•  ์ˆ˜ ์žˆ๋Š” ๋ถˆํŽธํ•จ๊ณผ ํ”ผ๋กœ๊ฐ์„ ์ค„์ด๋Š”๋ฐ ์ดˆ์ ์„ ๋งž์ถ”๊ณ  ์žˆ๋‹ค. ์ˆ™๋ฐ• ์‹œ์•ผ ๋งž์ถค ๋ถˆ์ผ์น˜์˜ ์›์ธ ์ˆ™๋ฐ• ์‹œ์•ผ ๋งž์ถค ๋ถˆ์ผ์น˜๋Š” ์ธ๊ฐ„ ๋ˆˆ์˜ ์กฐ์ ˆ ๊ธฐ๋Šฅ(์ดˆ์  ๊ธธ์ด ๋ณ€๊ฒฝ)๊ณผ ์ˆ˜๋ ด ๊ธฐ๋Šฅ(๋‘ ๋ˆˆ์˜ ์‹œ์„ ์„ ํ•˜๋‚˜๋กœ ๋ชจ์œผ๋Š” ๊ฒƒ) ์‚ฌ์ด์˜ ๋ถˆ์ผ์น˜๋ฅผ ์˜๋ฏธํ•œ๋‹ค. ํ‰๋ฉด ๋””์Šคํ”Œ๋ ˆ์ด์™€ 3D ์Šคํ…Œ๋ ˆ์˜ค ๋””์Šคํ”Œ๋ ˆ์ด ๊ฐ„์˜ ์ฐจ์ด๋Š” ํŠนํžˆ ๋‘ ๋ˆˆ์˜ ์ดˆ์  ๊ธธ์ด์™€ ์ˆ˜๋ ด๊ฐ์— ์žˆ๋‹ค

Quantitative Biology Physics
Brief comment: Dicke Superradiance and Superfluorescence Find Application for Remote Sensing in Air

Brief comment: Dicke Superradiance and Superfluorescence Find Application for Remote Sensing in Air

๋ณธ ๋…ผ๋ฌธ์€ ๋”•์ผ€ ์ดˆ๊ณผ๋ฐฉ์‚ฌ(SR)์™€ ์ดˆ๊ณผ๋ฐœ๊ด‘(SF), ๊ทธ๋ฆฌ๊ณ  ์ฆ๊ฐ• ๋ฌด์ž‘์œ„ ๋ฐฉ์ถœ(ASE)์˜ ์ฐจ์ด์ ์— ๋Œ€ํ•ด ์„ค๋ช…ํ•˜๊ณ , ์ด๋“ค ํ˜„์ƒ์ด ๊ณต๊ธฐ ์ค‘ ์›๊ฒฉ ๊ฐ์ง€ ๊ธฐ์ˆ ์— ์–ด๋–ป๊ฒŒ ํ™œ์šฉ๋  ์ˆ˜ ์žˆ๋Š”์ง€๋ฅผ ๋ถ„์„ํ•ฉ๋‹ˆ๋‹ค. ๋…ผ๋ฌธ์€ ์ด๋Ÿฌํ•œ ํ˜„์ƒ์„ ์‹๋ณ„ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์ œ์‹œํ•˜๋ฉฐ, ํŠนํžˆ Dogariu ์™ธ ์—ฐ๊ตฌ์ง„์˜ ๊ด€์ฐฐ ๊ฒฐ๊ณผ๋ฅผ ํ†ตํ•ด SR๊ณผ SF๊ฐ€ ์‹ค์ œ ์‹คํ—˜์—์„œ ์–ด๋–ป๊ฒŒ ๊ตฌ๋ถ„๋˜๋Š”์ง€ ์„ค๋ช…ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. 1. ๋”•์ผ€ ์ดˆ๊ณผ๋ฐฉ์‚ฌ(SR)์™€ ์ดˆ๊ณผ๋ฐœ๊ด‘(SF) ๋”•์ผ€๋Š” 1954๋…„์— ๊ฐ€์Šค ์ƒํƒœ์˜ ์›์ž ๋˜๋Š” ๋ถ„์ž์˜ ๋ฐ€์ง‘๋œ ํฅ๋ถ„ 2๋‹จ๊ณ„ ์‹œ์Šคํ…œ์—์„œ ๋ ˆ์ด์ € ๊ณต๋ช… ์—†์ด ํ˜‘๋™ ๋ฐฉ์ถœ์„ ์˜ˆ์ธกํ–ˆ์Šต๋‹ˆ๋‹ค. ์ดํ›„ ๋ณด๋‹ˆํ”ผ

Physics
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Toward Large-Scale Photonics-Empowered AI Systems: From Physical Design Automation to System-Algorithm Co-Exploration

์ด ๋…ผ๋ฌธ์€ ํฌํ† ๋‹‰์Šค ๊ธฐ๋ฐ˜ ์ธ๊ณต์ง€๋Šฅ ๊ฐ€์†๊ธฐ์˜ ์—ฐ๊ตฌ๊ฐ€ โ€œ๋””๋ฐ”์ด์Šคโ€‘๋ ˆ๋ฒจ ํ˜์‹ โ€์—์„œ โ€œ์‹œ์Šคํ…œโ€‘๋ ˆ๋ฒจ ์‹ค์šฉํ™”โ€ ๋‹จ๊ณ„๋กœ ์ „ํ™˜๋˜๋Š” ๋ฐ ํ•„์š”ํ•œ ํ•ต์‹ฌ ๊ณผ์ œ๋ฅผ ์ฒด๊ณ„์ ์œผ๋กœ ์ •๋ฆฌํ•˜๊ณ , ์ด๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•œ ํ†ตํ•ฉ ์„ค๊ณ„ ํ๋ฆ„์„ ์ œ์‹œํ•œ๋‹ค๋Š” ์ ์—์„œ ์˜๋ฏธ๊ฐ€ ํฌ๋‹ค. ์ฒซ ๋ฒˆ์งธ ๊ณ ๋ ค์‚ฌํ•ญ์ธ ๋™์  ํ…์„œ ์—ฐ์‚ฐ ์ง€์›์€ ํ˜„์žฌ AI ๋ชจ๋ธ์ด ๊ณ ์ •๋œ ๊ฐ€์ค‘์น˜ ๋งคํŠธ๋ฆญ์Šค๋งŒ์„ ํ™œ์šฉํ•˜๋Š” ์ „ํ†ต์ ์ธ ์ปจ๋ณผ๋ฃจ์…˜ ๊ฐ€์†๊ธฐ์™€๋Š” ๊ทผ๋ณธ์ ์œผ๋กœ ๋‹ค๋ฅธ ์š”๊ตฌ์‚ฌํ•ญ์ด๋‹ค. ํŠนํžˆ Transformer์™€ ๊ฐ™์€ ์–ดํ…์…˜ ๋ฉ”์ปค๋‹ˆ์ฆ˜์€ ์ž…๋ ฅ ์‹œํ€€์Šค ๊ธธ์ด์— ๋”ฐ๋ผ ์‹ค์‹œ๊ฐ„์œผ๋กœ ๊ฐ€์ค‘์น˜ ํ–‰๋ ฌ์„ ์žฌ๊ตฌ์„ฑํ•˜๊ณ , ๋‹ค์ค‘ ํ—ค๋“œ ์—ฐ์‚ฐ์„ ๋ณ‘๋ ฌ์ ์œผ๋กœ ์ˆ˜ํ–‰ํ•œ๋‹ค

System Physics

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