meridional rays in optical fibre

4:14

4:44

2:41

4:56

2:43

15:44

15:26

15:44

2:44

15:26

کوتاه

4:19

کوتاه

1:37

3:28

29:51

5:37

2:24

3:30

2:52

1:07

2:50

1:49

1:57

4:17

4:02

10:03

2:14

2:11

1:40

4:25

6:21

کوتاه

16:48

17:22

1:38

1:03:57

2:18

2:57

3:14