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Accelerating and nondiffrating properties of Airy beams as the density of the phase pattern

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Academic year: 2021

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(1)

Phase pattern의 밀도에 따른 Airy beam의 가속 및

비회절 속성 변화

김종기, 이성래, 오경환 연세대학교 물리학과 [email protected] 2 2 1 0 2 i s f f x ¶ ¶ + = ¶ ¶ 3 ( ) ( ) 2 2 12

( , )

(

( ) )

2

s i i

s

Ai s

e

x x

x

f x

=

-

-2 3 2 ( ) ( ) 2 2 12 2 2

( , )

(

( )

)

2

s a s as i i i i

s

Ai s

ia

e

x x x x

x

f x

=

-

+

x

- - + + μ μ 8

(2)

A=1 A=2 A=3 A=5 A=10 A=20 -10 0 10 20 30 40

A

n

g

le

Pattern

Accelerating

A=1 A=2 A=3 A=5 A=10 A=20

0 5 10 15 20 25

N

o

n

sp

re

ad

in

g

d

is

ta

n

ce

Pattern

Nondiffracting 그림 4. 패턴에 따라 빔의 꺾이는 방향의 변화 모습 9

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