Hz m

" " " "

X

X

( )

JAXA

CD DVD

2008 3 31NPO 38 220022005 1976 INAX Impress WatchJAXA DOD/USNJames OwenMicrobiology BytesNASAThe Planetary SocietyRobert Merlino http://stw.mext.go.jp

1 mm 100 m1 km 1 m10 km

10 m 500 nm 300 nm 200 nm 10pm 1pm400 nm600 nm900 nm1 m 700 nm800 nm30 kHz 300 kHz 300 MHz 300 GHz 3 THz

30 THz 300 THz 375 THz

AM1008 kHz ABC954 kHz : TBS

FM80.2 MHz : FM802 81.3 MHz : J-WAVE

FM

AM

90 ~220MHz : VHF470~770MHz : UHF

0.8-2 GHz)

LAN(2.4GHz)

(2.45 GHz) (microwave)

BS (12Gz) 10m 27C

CD

785 nm

DVD650 nm

647 nm694 nm1.3, 1.55 m

1.06 m

1.06 m10.6 m 785 nm

589 nm

d

755 nm

(441.6 nm) (632.8650 nm)YAG1.06m)

785 nm) (647 nm) (514.5 nm, 488 nm)1.3 ~ 1.6 m)

nm

650 ~ 700 nm

X X

8.2m

CT

NMR / MRI( )

(radio wave)

10,000

300 nm

500 nm

1 m,000

3,000

1 Hz (= 11

1 kHz (= 103 Hz = 1,000 Hz = 11000

1 MHz (= 106 Hz = 1,000,000 Hz = 1100

1 GHz (= 109 Hz = 1,000,000,000 Hz = 110

1 THz (= 1012 Hz = 1,000,000,000,000 Hz = 11

1 PHz (= 1015 Hz = 1,000 THz

1 EHz ( = 1018 Hz = 1,000,000 THz

1 km = 103 m = 1,000 m

1 m = 1,000 mm

1 mm = 10-3 m = 0.001 m

1 m = 10-6 m = 0.000001 m =1/1000 mm

1 nm = 10-9 m = 0.000000001 m = 1/100 mm

1 pm = 10-12 m = 0.000000000001 m = 1/10 mm

1 fm= 10-15 m = 1/1,000 pm

1 am= 10-18 m =1/1,000,000 pm

1mm 1cm

(FEL)

63

10 m ( ) :

(IrDA)

/ 10m

800 nm

750800850

(nm)

8 m

100nm

3

CRT

C=OO-HC-H

4.3 m2.9 m 3.3 m6.7 m

1.05.010.0

(m)

IC

(2,500) 1 m

(3,500) 800 nm

Li Sr Ca Ba Cu

500nm 6,000

Na