{"id":7693,"date":"2026-01-06T11:03:25","date_gmt":"2026-01-06T04:03:25","guid":{"rendered":"https:\/\/blog.coolmate.me\/hologram-la-gi-7693"},"modified":"2026-01-06T11:03:23","modified_gmt":"2026-01-06T04:03:23","slug":"hologram-la-gi-huong-dan-cach-phoi-do-chat-tu-a-z","status":"publish","type":"post","link":"https:\/\/www.coolmate.me\/blog\/hologram-la-gi-huong-dan-cach-phoi-do-chat-tu-a-z","title":{"rendered":"Hologram l\u00e0 g\u00ec? Gi\u1ea3i M\u00e3 C\u00f4ng Ngh\u1ec7 & Xu H\u01b0\u1edbng Th\u1eddi Trang 3D Hi\u1ec7n \u0110\u1ea1"},"content":{"rendered":"

<\/b>Hologram l\u00e0 c\u00f4ng ngh\u1ec7 t\u1ea1o h\u00ecnh \u1ea3nh 3D n\u1ed5i l\u1eadp th\u1ec3 trong kh\u00f4ng gian, cho ph\u00e9p ng\u01b0\u1eddi xem quan s\u00e1t b\u1eb1ng m\u1eaft th\u01b0\u1eddng m\u00e0 kh\u00f4ng c\u1ea7n k\u00ednh. Nh\u1edd kh\u1ea3 n\u0103ng t\u00e1i hi\u1ec7n chi\u1ec1u s\u00e2u, \u00e1nh s\u00e1ng v\u00e0 g\u00f3c nh\u00ecn ch\u00e2n th\u1ef1c, hologram \u0111ang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng m\u1ea1nh m\u1ebd trong gi\u1ea3i tr\u00ed, qu\u1ea3ng c\u00e1o v\u00e0 \u0111\u1eddi s\u1ed1ng. \u0110\u1eb7c bi\u1ec7t v\u1edbi th\u1eddi trang, c\u00f4ng ngh\u1ec7 n\u00e0y mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m tr\u00ecnh di\u1ec5n 3D, s\u00e0n di\u1ec5n \u1ea3o v\u00e0 hi\u1ec7u \u1ee9ng th\u1ecb gi\u00e1c \u1ea5n t\u01b0\u1ee3ng, gi\u00fap th\u01b0\u01a1ng hi\u1ec7u t\u1ea1o d\u1ea5u \u1ea5n kh\u00e1c bi\u1ec7t. C\u00f9ng <\/span>Coolmate<\/span><\/a> kh\u00e1m ph\u00e1 A\u2013Z \u0111\u1ec3 hi\u1ec3u v\u00ec sao hologram \u0111\u01b0\u1ee3c xem l\u00e0 xu h\u01b0\u1edbng c\u1ee7a t\u01b0\u01a1ng lai.<\/span><\/p>\n

Hologram l\u00e0 g\u00ec m\u00e0 ai c\u0169ng t\u00f2 m\u00f2?<\/b><\/h2>\n

Ch\u1eafc h\u1eb3n b\u1ea1n \u0111\u00e3 t\u1eebng tr\u1ea7m tr\u1ed3 tr\u01b0\u1edbc nh\u1eefng h\u00ecnh \u1ea3nh 3D k\u1ef3 \u1ea3o trong phim khoa h\u1ecdc vi\u1ec5n t\u01b0\u1edfng nh\u01b0 Star Wars, hay c\u00e1c bu\u1ed5i tr\u00ecnh di\u1ec5n “h\u1ed3i sinh” nh\u1eefng ngh\u1ec7 s\u0129 huy\u1ec1n tho\u1ea1i. Nh\u1eefng h\u00ecnh \u1ea3nh \u0111\u00f3 l\u01a1 l\u1eedng gi\u1eefa kh\u00f4ng trung, s\u1ed1ng \u0111\u1ed9ng nh\u01b0 th\u1eadt m\u00e0 kh\u00f4ng c\u1ea7n b\u1ea5t k\u1ef3 c\u1eb7p k\u00ednh 3D n\u00e0o.<\/span><\/p>\n

\"\u1ea2nh
\u1ea2nh ch\u1ea5t l\u01b0\u1ee3ng cao v\u1ec1 m\u1ed9t m\u00e0n tr\u00ecnh di\u1ec5n hologram \u1ea5n t\u01b0\u1ee3ng trong s\u1ef1 ki\u1ec7n<\/figcaption><\/figure>\n

\u0110\u00f3 ch\u00ednh l\u00e0 ph\u00e9p m\u00e0u c\u1ee7a c\u00f4ng ngh\u1ec7 tr\u00ecnh chi\u1ebfu 3D mang t\u00ean hologram. Nghe c\u00f3 v\u1ebb ph\u1ee9c t\u1ea1p v\u00e0 xa v\u1eddi, nh\u01b0ng c\u00f4ng ngh\u1ec7 n\u00e0y \u0111ang ng\u00e0y c\u00e0ng g\u1ea7n g\u0169i, len l\u1ecfi v\u00e0o m\u1ecdi ng\u00f3c ng\u00e1ch \u0111\u1eddi s\u1ed1ng v\u00e0 c\u1ea3 t\u1ee7 \u0111\u1ed3 c\u1ee7a ch\u00fang ta. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd c\u00f9ng b\u1ea1n “gi\u1ea3i m\u00e3” to\u00e0n b\u1ed9 b\u00ed \u1ea9n \u0111\u1eb1ng sau th\u1ebf gi\u1edbi 3D \u1ea3o di\u1ec7u n\u00e0y.<\/span><\/p>\n

Hologram l\u00e0 g\u00ec? Gi\u1ea3i m\u00e3 c\u00f4ng ngh\u1ec7 l\u00e0m “m\u1eaft tr\u00f2n m\u1eaft d\u1eb9t”<\/b><\/h2>\n

\u0110\u1ecbnh ngh\u0129a “chu\u1ea9n” nh\u1ea5t v\u1ec1 Hologram: Kh\u00f4ng ph\u1ea3i \u1ea3nh, m\u00e0 l\u00e0 “th\u00f4ng tin \u00e1nh s\u00e1ng”!<\/b><\/h3>\n

Hologram l\u00e0 m\u1ed9t b\u1ea3n ghi k\u1ef9 thu\u1eadt to\u00e0n \u1ea3nh (holography), l\u01b0u tr\u1eef th\u00f4ng tin v\u1ec1 s\u1ef1 giao thoa \u00e1nh s\u00e1ng \u0111\u1ec3 t\u00e1i t\u1ea1o l\u1ea1i m\u1ed9t h\u00ecnh \u1ea3nh ba chi\u1ec1u (3D) c\u1ee7a v\u1eadt th\u1ec3.<\/b><\/p>\n

N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, m\u1ed9t t\u1ea5m \u1ea3nh 2D th\u00f4ng th\u01b0\u1eddng ch\u1ec9 ghi l\u1ea1i c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng (s\u00e1ng-t\u1ed1i, m\u00e0u s\u1eafc). Trong khi \u0111\u00f3, hologram ghi l\u1ea1i “to\u00e0n b\u1ed9” th\u00f4ng tin, bao g\u1ed3m c\u1ea3 c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 pha c\u1ee7a s\u00f3ng \u00e1nh s\u00e1ng. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ch\u00fang ta nh\u00ecn th\u1ea5y v\u1eadt th\u1ec3 t\u1eeb nhi\u1ec1u g\u00f3c \u0111\u1ed9 kh\u00e1c nhau nh\u01b0 th\u1ec3 n\u00f3 \u0111ang th\u1ef1c s\u1ef1 hi\u1ec7n h\u1eefu tr\u01b0\u1edbc m\u1eaft b\u1ea1n.<\/span><\/p>\n

\"Infographic
Infographic \u0111\u01a1n gi\u1ea3n so s\u00e1nh s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u1ea3nh 2D, h\u00ecnh chi\u1ebfu 3D th\u00f4ng th\u01b0\u1eddng v\u00e0 h\u00ecnh \u1ea3nh hologram<\/figcaption><\/figure>\n

Hologram v\u00e0 3D Hologram: C\u00f3 g\u00ec kh\u00e1c bi\u1ec7t m\u00e0 hay b\u1ecb nh\u1ea7m l\u1eabn?<\/b><\/h3>\n

V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, “hologram” l\u00e0 b\u1ea3n ghi v\u1eadt l\u00fd (gi\u1ed1ng nh\u01b0 cu\u1ed9n phim), c\u00f2n “3D hologram” l\u00e0 h\u00ecnh \u1ea3nh 3 chi\u1ec1u \u0111\u01b0\u1ee3c t\u00e1i t\u1ea1o t\u1eeb b\u1ea3n ghi \u0111\u00f3. Tuy nhi\u00ean, trong giao ti\u1ebfp h\u00e0ng ng\u00e0y, ch\u00fang ta th\u01b0\u1eddng d\u00f9ng “3D hologram” \u0111\u1ec3 ch\u1ec9 chung c\u00e1c c\u00f4ng ngh\u1ec7 tr\u00ecnh chi\u1ebfu h\u00ecnh \u1ea3nh n\u1ed5i trong kh\u00f4ng gian.<\/span><\/p>\n

\u0110i\u1ec3m kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i so v\u1edbi 3D \u1edf r\u1ea1p chi\u1ebfu phim l\u00e0 b\u1ea1n kh\u00f4ng c\u1ea7n k\u00ednh chuy\u00ean d\u1ee5ng. C\u00f4ng ngh\u1ec7 3D th\u00f4ng th\u01b0\u1eddng ch\u1ec9 \u0111\u00e1nh l\u1eeba th\u1ecb gi\u00e1c \u0111\u1ec3 t\u1ea1o c\u1ea3m gi\u00e1c chi\u1ec1u s\u00e2u, c\u00f2n hologram t\u1ea1o ra m\u1ed9t \u1ea3nh \u1ea3o 3D th\u1ef1c s\u1ef1 m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 \u0111i v\u00f2ng quanh \u0111\u1ec3 quan s\u00e1t.<\/span><\/p>\n

T\u1eeb “Holography” \u0111\u1ebfn “Hologram”: H\u00e0nh tr\u00ecnh c\u1ee7a m\u1ed9t ph\u00e1t minh v\u0129 \u0111\u1ea1i<\/b><\/h3>\n

\u00dd t\u01b0\u1edfng v\u1ec1 k\u1ef9 thu\u1eadt to\u00e0n \u1ea3nh (holography) \u0111\u01b0\u1ee3c nh\u00e0 v\u1eadt l\u00fd ng\u01b0\u1eddi <\/span>Hungary Dennis Gabor<\/span><\/a> \u0111\u1ec1 xu\u1ea5t t\u1eeb nh\u1eefng n\u0103m 1940. Tuy nhi\u00ean, ph\u1ea3i \u0111\u1ebfn khi tia laser ra \u0111\u1eddi v\u00e0o n\u0103m 1960, c\u00f4ng ngh\u1ec7 n\u00e0y m\u1edbi th\u1ef1c s\u1ef1 c\u00f3 b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1. Nh\u1edd ph\u00e1t minh v\u0129 \u0111\u1ea1i n\u00e0y, Dennis Gabor \u0111\u00e3 \u0111\u01b0\u1ee3c trao gi\u1ea3i Nobel V\u1eadt l\u00fd v\u00e0o n\u0103m 1971 v\u00e0 \u0111\u01b0\u1ee3c xem l\u00e0 “cha \u0111\u1ebb” c\u1ee7a hologram.<\/span><\/p>\n

\"\u1ea2nh
\u1ea2nh ch\u00e2n dung nh\u00e0 v\u1eadt l\u00fd Dennis Gabor<\/figcaption><\/figure>\n

B\u00ed m\u1eadt \u0111\u1eb1ng sau nh\u1eefng h\u00ecnh \u1ea3nh 3D s\u1ed1ng \u0111\u1ed9ng: Nguy\u00ean l\u00fd v\u00e0 c\u00e1c lo\u1ea1i Hologram ph\u1ed5 bi\u1ebfn<\/b><\/h2>\n

“M\u1ed5 x\u1ebb” nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng: Giao thoa \u00e1nh s\u00e1ng t\u1ea1o n\u00ean \u0111i\u1ec1u k\u1ef3 di\u1ec7u<\/b><\/h3>\n

Nguy\u00ean l\u00fd c\u1ee7a hologram c\u00f3 th\u1ec3 h\u00ecnh dung nh\u01b0 vi\u1ec7c ghi l\u1ea1i nh\u1eefng g\u1ee3n s\u00f3ng khi n\u00e9m hai vi\u00ean s\u1ecfi xu\u1ed1ng m\u1eb7t h\u1ed3 t\u0129nh l\u1eb7ng.<\/span><\/p>\n

\u0110\u1ec3 t\u1ea1o hologram, m\u1ed9t ch\u00f9m tia laser \u0111\u01b0\u1ee3c t\u00e1ch l\u00e0m hai: m\u1ed9t ch\u00f9m chi\u1ebfu th\u1eb3ng v\u00e0o t\u1ea5m phim (tia tham chi\u1ebfu), ch\u00f9m c\u00f2n l\u1ea1i chi\u1ebfu v\u00e0o v\u1eadt th\u1ec3 r\u1ed3i ph\u1ea3n x\u1ea1 l\u00ean t\u1ea5m phim (tia v\u1eadt th\u1ec3). S\u1ef1 giao thoa gi\u1eefa hai ch\u00f9m tia n\u00e0y t\u1ea1o ra m\u1ed9t h\u1ecda ti\u1ebft si\u00eau nh\u1ecf v\u00e0 ph\u1ee9c t\u1ea1p \u0111\u01b0\u1ee3c ghi l\u1ea1i tr\u00ean phim. Khi chi\u1ebfu m\u1ed9t ch\u00f9m tia laser kh\u00e1c v\u00e0o t\u1ea5m phim \u0111\u00f3, n\u00f3 s\u1ebd t\u00e1i t\u1ea1o l\u1ea1i ch\u00ednh x\u00e1c s\u00f3ng \u00e1nh s\u00e1ng ban \u0111\u1ea7u, t\u1ea1o ra \u1ea3nh \u1ea3o 3D c\u1ee7a v\u1eadt th\u1ec3.<\/span><\/p>\n

\"[S\u01a1
[S\u01a1 \u0111\u1ed3 \u0111\u01a1n gi\u1ea3n m\u00f4 t\u1ea3 qu\u00e1 tr\u00ecnh ghi v\u00e0 t\u00e1i t\u1ea1o hologram: Tia laser -> T\u00e1ch ch\u00f9m -> V\u1eadt th\u1ec3 -> T\u1ea5m ghi -> T\u00e1i t\u1ea1o \u1ea3nh 3D]<\/figcaption><\/figure>\n

Nh\u1eefng ki\u1ec3u Hologram b\u1ea1n c\u1ea7n bi\u1ebft: H\u00f3a ra ch\u00fang ta g\u1eb7p ch\u00fang m\u1ed7i ng\u00e0y!<\/b><\/h3>\n

C\u00f4ng ngh\u1ec7 n\u00e0y kh\u00f4ng h\u1ec1 xa v\u1eddi, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft g\u1eb7p ch\u00fang h\u00e0ng ng\u00e0y qua c\u00e1c d\u1ea1ng sau:<\/span><\/p>\n