䊁䊤䊓䊦䉿䉟䊜䊷䉳䊮䉫䈱䉟䊜䊷䉳䊮䉫䈱 ᔕ↪

(1)

䊁䊤䊓䊦䉿

䊁䊤䊓䊦䉿䉟䊜䊷䉳䊮䉫䈱䉟䊜䊷䉳䊮䉫䈱 ᔕ↪

ᔕ↪น⢻ᕈ น⢻ᕈ Ꮉἑᤩ㆏ Ꮉἑᤩ㆏

^1,2^1,2

䇮᳓ᵤశม 䇮᳓ᵤశม

¹¹

䇮䇮

ằ⼱ቁᐘ ằ⼱ቁᐘ

^1,2^1,2

䇮ᨋિ৻㇢䇮ᨋિ৻㇢

²²

11

ฬฎደᄢቇ ฬฎደᄢቇ

²²

ℂൻቇ⎇ⓥᚲ ℂൻቇ⎇ⓥᚲ

Transmissiona.u.)

ᜒ๫ϋܾ ᜒ๫ϋܾ

Ū᩼ዴ࢟јௐǛဇƍƨ

Ū᩼ዴ࢟јௐǛဇƍƨ6* 6*᳴ήเ ᳴ήเ ŪȈȢǰȩȕǣȸŴ

ŪȈȢǰȩȕǣȸŴ%6 %6Ŵȡǿȫȡȃ Ŵȡǿȫȡȃ ǷȥǻȳǵȸŴƳƲƷࣖဇӧᏡࣱ

ǷȥǻȳǵȸŴƳƲƷࣖဇӧᏡࣱ

THz THz- -wave wave

߻ܖࣖဇ ᠾܖࣖဇ Ҕܖࣖဇ ήเ᧏ႆ

•†‣ ‣ ‣• ‣••‒⁆›⁬

∄⇊⇕∓ඬ ∅∐ඬ ⇬∏⇾∑⇪ඬ ហٳዴ ӧᙻή

ᡢᢅࣱ

ӕ↹ׅↆତↄ ᆰ᧓ЎᚐᏡ

ᘮ୵↙ↆ

⅐Ҟݰ˳⊦⇽∏⇟⇧⇩⇕⊦⇡∏∅⇩⇕⇟⊦ኡ⊦⇹⇱∑⊦ங஬⊦ጞዜ

⊦ʑ༞᫢Լ⊦൧⊦ብ˳⊦ᚾᕤ⊦ᥪд⊦ഫ⊦ᭌ⊦ᏢᏆ↙↘⇁ᡢᢅ

⅐ٶⅾ↝ᚾᕤ᫏↚⇬∏⇾∑⇪࠘ਦኚ⇟∀⇕⇮∑

ήඬ↝ৢⅳତↄ⇁ஊↈ↺இᧈඬᧈ؏

ᩓඬ↝ᡢᢅࣱ⇁ஊↈ↺இჺඬᧈ؏

ᆔẉỉἘἻἪἽ἖ήเ

࿑䋺㒋ᄢ᢯ౝᢎ᝼ឭଏ

ታ↪ൻ䈻ะ䈔䈢శḮ䈱⺖㗴䈲 TH 䌺 - 䌇䌡䌰

Frequency (THz)

0.01 0.1 1 10 100 1000

0.001 0.01 0.1 1 10 100 1000 10⁴ 10⁵

IMPATT

Gunn

RTD Multiplexer

BWO MMIC

Photomixer (UTC-PD)

III-V Laser

Lead Salt Laser QCL THz QCL

TUNNET

಴ജ 㩿㫄㪮㪀

๟ᵄᢙ 㩿㪫㪟㫑㪀

0.01 0.1 1 10 100 1000

0.001 0.01 0.1 1 10 100 1000 10⁴ 10⁵

IMPATT

Gunn

Multiplexer BWO

Photomixer (UTC-PD)

III-V Laser

Lead Salt Laser QCL THz QCL

6\ၞࠍࠞࡃ࡯ߔࠆ ᣢሽߩᐢᏪၞᵄ㐳นᄌ6\ᵄశḮ

⥄↱㔚ሶ䊧䊷䉱䊷 ᵄ㐳นᄌၞ䋺

70䌾330㱘m

䊏䊷䉪಴ജ䋺 ⚂

1kW

䊌䊦䉴᏷䋺 ⚂10㱘s

➅㄰䈚䋺

7Hz

p

ဳ

Ge

䊧䊷䉱䊷 ᵄ㐳นᄌၞ: 80䌾300 㱘m 䊏䊷䉪಴ജ

:

⚂

1 W

䊌䊦䉴᏷: ⚂10 㱘s

➅㄰䈚: 7 Hz

(2)

࠹࡜ࡋ࡞࠷ᵄࡄ࡜ࡔ࠻࡝࠶ࠢశḮ 62162)KU62)

25cm mirror Si-prism

MgO:LiNbO₃

rotation stage

25cm mirror Si-prism

MgO:LiNbO₃

rotation stage

mirror mirror

THz (0.9-2.2THz)

MgO:LiNbO3

rotation stage Si-prism

idler (1068-1074nm)

pump (1064nm)

mirror mirror

THz (0.9-2.2THz)

MgO:LiNbO3

rotation stage Si-prism

idler (1068-1074nm)

pump (1064nm)

O

䋬O

2

2Lc TH䌺ᵄ㐳䈱㕖✢ᒻಽᭂ

T

THz

ᵄ䈱 ᵄ㕙

OTHz/nTHz

㕖✢ᒻ⚿᥏䈮ബ⿠శ౉኿

㕖✢ᒻశቇലᨐ䉕↪䈇䈢ᣂᄸTH䌺శḮ

᩼ዴ࢟᩼ዴ࢟ήήݰඬែửဇẟẺἓỹἾὅἅἧ׹ˮႻૢӳỆợỦݰඬែửဇẟẺἓỹἾὅἅἧ׹ˮႻૢӳỆợỦ ᭗јྙὉ࠼࠘؏

᭗јྙὉ࠼࠘؏ᵲᵦᶘᵲᵦᶘႆဃႆဃḷḷૼẺễᵲᵦૼẺễᵲᵦΈࣖဇỉ᧏ਏồΈࣖဇỉ᧏ਏồ

Nd:YAG Laser Nd:YAG Laser KTP-OPO

KTP-OPO

532nm , 15ns , 50Hz 2mJ pump O1&O2

1.3 – 1.5Pm Lens f=100mm Lens 2r=10mm

THz Wave

Slab waveguide MgO:LiNbO₃ 3.8Pm^t

Si-prism coupler Congruent

LiNbO₃ substrate 1mm^t

PET film 3.4Pm^t

Si-Bolometer Lens

3.8Pm Pump

O

¹^&

O

²

LiNbO

₃

ዉᵄ〝䉕↪䈇䈢䉼䉢䊧䊮䉮䊐ဳ૏⋧ᢛว

䈮䉋䉎Ꮕ๟ᵄ THz ⊒↢

is-TPG

ᓥ᧪Ყ䈪⿥ᐢᏪၞᵄ㐳นᄌ ᓥ᧪Ყ䈪⿥ᐢᏪၞᵄ㐳นᄌ

䊐䉢䊛䊃⑽ബ⿠䈮䉋䉍㘧ⴕᤨ㑆ဳ䊃䊝䉫䊤䊐䉞䊷䈱ᅏⴕ䈐ಽ⸃⢻ะ਄น⢻

normalized tunability

Tunability 0.2 Tunability 0.2--7.2THz7.2THz 100mW

100mW@peak@peak

LiNbO

₃

ዉᵄ〝䉕↪䈇䈢䉼䉢䊧䊮䉮䊐ဳ૏⋧ᢛว 䈮䉋䉎Ꮕ๟ᵄ THz ⊒↢䈱䉴䊕䉪䊃䊦

DM: Dichroic mirror BS: Beam splitter PCA: Photoconductive antenna DM

BS

PPLN

Delay Line PCA THzᵄ Chopper

䋨1 kHz䋩

Aspherical Lens

fs pump 1560 nm, 100 mW, 17 fs

Probe Light 780 nm, 10 mW, 30 fs fs-Fiber

laser

䊐䉢䊛䊃⑽శ䊌䊦䉴ബ⿠䈮䉋䉎 LiNbO

₃

ዉᵄ〝䉕↪䈇䈢 THz-TDS

䊌䊦䉴᏷ 㪉㪎㪇㩷㪽㫊㪗㪝㪮㪟㪤

ℂᗐ⊛䊊䊷䊐䊌䊦䉴

0 2 4 6

Amplitude [a.u.]

8 1012[ps]

⓸⚛䊌䊷䉳

⓸⚛䊌䊷䉳㹢㹢䉋䉍✊㤀䈭ᵄᒻ䈮䉋䉍✊㤀䈭ᵄᒻ䈮

DAST

ዉᵄ〝䉕ዉ౉ ዉᵄ〝䉕ዉ౉ 㹢㹢䉋䉍ᐢᏪၞ䇮䉋䉍⍴䊌䊦䉴䉋䉍ᐢᏪၞ䇮䉋䉍⍴䊌䊦䉴

෻኿䊃䊝䉫䊤䊐䉞䊷䈱ᅏⴕ䈐ಽ⸃⢻ะ਄

䉧䉡䉲䉝䊮ဳ䉴䊕䉪䊃䊦䈮ㄭ䈇㹢 ℂᗐ⊛䈭䊊䊷䊐䊌䊦䉴䈻

S/N 50dB

Power [a.u.]

0 1 2 3 4 5 6 7 8 [THz]

ℂᗐ⊛䈭 THz 䊝䊉䊌䊦䉴⊒↢

LNዉᵄ〝䉕↪䈇䈢䉼䉢䊧䊮䉮䊐ဳ૏⋧ᢛว䈮䉋䉎THz-TDS

(3)

㪉㪋

㪍㪏

㪈㪇㪊㪅㪇㪇㪜㪄㪇㪈㪉㪋㪅㪇㪇㪜㪄㪇㪈㪉㪌㪅㪇㪇㪜㪄㪇㪈㪉㪍㪅㪇㪇㪜㪄㪇㪈㪉㪎㪅㪇㪇㪜㪄㪇㪈㪉㪏㪅㪇㪇㪜㪄㪇㪈㪉㪐㪅㪇㪇㪜㪄㪇㪈㪉

㪉㪋

㪍

㪏㪈㪇

㪱㩷㪘㫏㫀㫊

㪰㩷㪘㫏㫀㫊㪯㩷㪘㫏㫀㫊

㘧ⴕᤨ㑆ဳ䊁䊤䊓䊦䉿䊃䊝䉫䊤䊐䉞

䊶㕖⎕უ䊶㕖ធ⸅䊶ૐଚⷅ

䊶㍤೷䉮䊷䊁䉞䊮䉫䈱⹏ଔ

¹⁾

᷹ቯ䉰䊮䊒䊦

⿥⍴THz 䊌䊦䉴

ᤨ㑆

ᬌ಴ାภ

ฦጀ䈎䉌䈱෻኿䊌䊦䉴䈱

೔㆐ᤨ㑆䉕ᬌ಴

․ᓽ

ᔕ↪

䊶㜞䈇ᅏⴕ䈐ಽ⸃⢻

䊶 ᄙ⒳ᄙ᭽䈭䉰䊮䊒䊦䈱᷹ቯ䈏น⢻

䊶 ⥄േゞႣⵝ⤑䈱⤑ෘ᷹ቯ

²⁾

2) T. Yasuda, et al., Appl. Opt.46, pp. 7518, 2007.

1) J. A. Zeitler, et al., J. Phar. Sci.96, pp. 330, 2007.

⿥⍴䊁䊤䊓䊦䉿㔚⏛ᵄ䈱․ᕈ䉕೑↪䈚䈢ᢿጀ↹௝᷹ቯᴺ

䊁䊤䊓䊦䉿䊃䊝䉫䊤䊐䉞䉲䉴䊁䊛

⊒↢⚛ሶ

ᬌ಴⚛ሶ 䍙䍻䍪䍽䍷⸳⟎૏⟎

THz

ᵄ

䊧䊷䉱䊌䊦䉴

THz 䊃䊝䉫䊤䊐䉞䈱㵰⺖㗴㵱䈫㵰ᧄ⎇ⓥ䈱⋡⊛㵱

䊐䉜䉟䊋䊧䊷䉱䉕↪䈇䈢䇮ዊဳ䊶ၷ‗䈎䈧㜞ಽ⸃⢻䈭䊁䊤䊓䊦䉿䊃䊝䉫䊤䊐䉞䈱㐿⊒

䉮䊮䊌䉪䊃䈭䊐䉜䉟䊋䊧䊷䉱䂓䊐䉜䉟䊋䊧䊷䉱䈱㜞ᒝᐲൻ䊶⍴䊌䊦䉴ൻ

㜞ಽ⸃⢻ൻ䈻䈱䉝䊒䊨䊷䉼㜞ಽ⸃⢻ൻ䈻䈱䉝䊒䊨䊷䉼

Ti:Sapphire 䊧䊷䉱䈱૶↪

䂓 ᦭ᯏ⚿᥏DAST䉕↪䈇䈢THzᵄ⊒↢

⃻⁁

ᧄ⎇ⓥ

⋡⊛

ᒝᐲ(a.u.)

ᵄ㐳

(Pm)

ᤨ㑆

(ps)

ᒝᐲ(a.u.)

-0.4 -0.2 0.0 0.2 0.4 1.2 1.4 1.6 1.8

17 fs

ᐔဋᒝᐲ䋺

200 mW

䊌䊦䉴᏷䋺

17 fs

䊏䊷䉪ᒝᐲ䋺

170 kW

․ᕈ

ᤨ㑆ᵄᒻ 䉴䊕䉪䊃䊦

ᓥ᧪䈱⚿ᨐ䉋䉍

10୚⒟ᐲᄢ䈐䈇䋣

䋨

20 fs

એਅ䈱䊌䊦䉴䈫䈚䈩䋩

࿶❗ᓟ䈱⿥⍴䊌䊦䉴 6*\ᵄ ⊒↢࡮ᬌ಴ᣇᴺߩㆬᛯ

1550nm 䋧 780nm ਔᵄ㐳䊌䊦䉴಴ജ

1550 nm 780 nm

100 mW 80 kW 17 fs

10 mW ~5 kW 30 fs 䋨䋪䋩

ਛᔃᵄ㐳 ᐔဋᒝᐲ 䊏䊷䉪ᒝᐲ 䊌䊦䉴᏷

1550 nmᚑಽ䇮780 nmᚑಽ䉕ല₸䉋䈒೑↪䈚䈢᭴ᚑ

THz ᵄ ⊒↢䊶䊶䊶䊶䊶 THz ᵄ ᬌ಴䊶䊶䊶䊶䊶

1550 nm 䊌䊦䉴䋫 DAST

780 nm 䊌䊦䉴䋫 శ䉴䉟䉾䉼

(4)

DAST 䉕↪䈇䈢⿥⍴䊌䊦䉴 THz ᵄ⊒↢

r₄₁= 4.3 pm/V r₁₁=47pm/V

㔚᳇శቇଥᢙ

ዊ䈘䈇 ᄢ䈐䈇

䉮䊍䊷䊧䊮䉴㐳

@1.55Pm

d₁₄= 90 pm/V d₁₁=290pm/V

㕖✢ᒻశቇଥᢙ

ZnTe DAST

DAST䈫ZnTe䈱శቇ․ᕈ䈱Ყセ H3CN

H3C N⁺

H₃C

CH₃

SO₃^-

DAST ZnTe

0 4 8 12 16 20

0.8 1.0 1.2 1.4 1.6 1.8 2.0

0 4 8 12 16 20

0.8 1.0 1.2 1.4 1.6 1.8 2.0

THzᵄ䈱๟ᵄᢙ(THz)

ബ⿠శ䈱ᵄ㐳(Pm)

0.1mm

0.0mm

䉮䊍䊷䊧䊮䉴㐳

0 10 20 30

1E-5 1E-4 1E-3 0.01

๟ᵄᢙ

(THz)

ᝄ᏷(a.u.)

Ꮺၞ䋺 0.1 ~ 25 THz ᐢᏪၞ

䊏䊷䉪ὐ䈱 S/N 䋾 30 dB 㜞ᗵᐲ

㔀㖸䊧䊔䊦

GaAs䋬Ge䊐䉞䊦䉺䈱ๆ෼

0.1

OOෘ&#56ࠍ↪޿ߡᓧࠄࠇߚ 66*\ ࠬࡍࠢ࠻࡞

Chopper 1kHz

10 mW, 30 fs 100 mW, 17 fs DAST 1550 nmᚑಽ

Delay 780 nmᚑಽ

䉰䊮䊒䊦

ᛂ䈤਄䈕 ෻኿ဳ

ᦨᄢ䉴䉨䊞䊮᏷

3cm ~ 25 THz

䊚䊤䊷䉰䊮䊒䊦ᤨ䈱ᤨ㑆ᵄᒻ

䊚䊤䊷䉰䊮䊒䊦ᤨ䈱䉴䊕䉪䊃䊦

150 fs

ᤨ㑆

(ps)

-2 -1 0 1 2 3

ᝄ᏷(a.u.)

0 10 20 30 40

10⁰

10^-2

10^-4

ᒝᐲ(a.u.)

㊄ዻ䊘䊷䊦

LT-GaAs

శવዉ䉝䊮䊁䊅

䊁䊤䊓䊦䉿䊃䊝䉫䊤䊐䉞䈱ታ㛎♽

3 ᨎ㊀䈰䈱⚕ 䋨 90 P m 㬍 3 ᨎ䋩

ᝄ᏷(a.u.)

䈅䉎1ὐ䈪䈱᷹ቯ䊂䊷䉺

6 8 10 12 14

ᤨ㑆

(ps) ᒝᐲ(a.u.)

䊂䉮䊮䊗䊥䊠䊷䉲䊢䊮

ᓟ䈱䊂䊷䉺

0 2 4 6 8 10

0.4 0.6 0.8 1.0

ᮮᣇะ૏⟎

(mm)

᷹ቯ2ᰴర䉟䊜䊷䉳

↢䊂䊷䉺

ᅏⴕ䈐(mm)

᷹ቯ䉰䊮䊒䊦䉰䊮䊒䊦౮⌀

1ᨎ⋡

2ᨎ⋡

3ᨎ⋡

3ᨎ䈱䊘䉴䊃䉟䉾䊃䈱䉟䊜䊷䉳䊮䉫

3 ᰴర↹௝ขᓧ

Origin䈪ᬌ಴䈚䈢ᤨ㑆ᵄᒻ䈱䊏䊷䉪䉕⚿䉖䈪ឬ䈇䈢䋳D䉫䊤䊐

㪉㪋

㪍㪏

㪈㪇㪊㪅㪇㪇㪜㪄㪇㪈㪉㪋㪅㪇㪇㪜㪄㪇㪈㪉㪌㪅㪇㪇㪜㪄㪇㪈㪉㪍㪅㪇㪇㪜㪄㪇㪈㪉㪎㪅㪇㪇㪜㪄㪇㪈㪉㪏㪅㪇㪇㪜㪄㪇㪈㪉㪐㪅㪇㪇㪜㪄㪇㪈㪉

㪉㪋

㪍㪏㪈㪇

㪱㩷㪘㫏㫀㫊

㪰㩷㪘㫏㫀㫊㪯㩷㪘㫏㫀㫊

㪋㪉㪍㪏㪈㪇㪊㪅㪇㪇㪜㪄㪇㪈㪉㪋㪅㪇㪇㪜㪄㪇㪈㪉㪌㪅㪇㪇㪜㪄㪇㪈㪉㪍㪅㪇㪇㪜㪄㪇㪈㪉㪎㪅㪇㪇㪜㪄㪇㪈㪉㪏㪅㪇㪇㪜㪄㪇㪈㪉㪐㪅㪇㪇㪜㪄㪇㪈㪉

㪉㪋㪍㪏㪈㪇

㪱㩷㪘㫏㫀㫊

㪰㩷㪘㫏㫀㫊㪯㩷㪘㫏㫀㫊

㪉㪋㪍㪏㪈㪇

㪊㪅㪇㪇㪜㪄㪇㪈㪉㪋㪅㪇㪇㪜㪄㪇㪈㪉㪌㪅㪇㪇㪜㪄㪇㪈㪉㪍㪅㪇㪇㪜㪄㪇㪈㪉㪎㪅㪇㪇㪜㪄㪇㪈㪉㪏㪅㪇㪇㪜㪄㪇㪈㪉㪐㪅㪇㪇㪜㪄㪇㪈㪉

㪋㪉㪏㪍㪈㪇

㪱㩷㪘㫏㫀㫊

㪰㩷㪘㫏㫀㫊㪯㩷㪘㫏㫀㫊

XZ㕙ᣇะ䈮⷗䈢࿑

YZ㕙ᣇะ䈮⷗䈢࿑

1ᨎ⋡

2ᨎ⋡

3ᨎ⋡

㪇㪉㪋㪍㪏㪈㪇㪈㪉

㪈㪜㪄㪍㪈㪜㪄㪌㪈㪜㪄㪋㪈㪜㪄㪊㪇㪅㪇㪈

ᤨ㑆

(ps)

ᒝᐲ(a.u.)

䊁䊐䊨䊮䊐䉞䊦䊛䉕↪䈇䈢ಽ⸃⢻⹏ଔ

䊙䉟䉪䊨䊜䊷䉺䈪᷹ቯ䈚䈢⤑ෘ ( P m) 䊁䊤䊓䊦䉿䊃䊝䉫䊤䊐䉞䈪 ᷹ቯ䈚䈢⤑ෘ (P m)

5 P m 䈱⤑ෘ᷹ቯ䈏น⢻

(5)

䊥䊮䉯

䊥䊮䉯䈱⊹䈱ᢿጀ௝

0 2 4 6

ᤨ㑆

(ps)

ᝄ᏷(a.u.)

Echo waveform (after deconvolution)

THz tomography

⊹⤏䈱ᢿጀ௝

ᜰ䈱⢛

0 2 4 6 8 10

0.0 0.5 1.0 1.5 2.0 2.5 3.0

time(ps)

position (mm)

⌀⊹

⴫⊹

⣨

0 2 4 6 8 10

0.0 0.5 1.0 1.5 2.0 2.5 3.0

time(ps)

position (mm)

⌀⊹

⴫⊹ ⷺ⾰ጀ䋿 ⷺ⾰ጀ䋿

0.0 0.7 1.4 2.1

Position (mm)

Depth 䋨a.u.䋩

0.0 0.2 0.4 0.6 0.8 1.0 Position (mm)

Depth 䋨a.u.䋩

Two layered coating

coat 1 (25Pm) coat 2 (15Pm)

metal

coat 1 (25Pm) coat 2 (15Pm) metal

Three layered coating

metal

coat 1 (25Pm)

metal

coat 1 (25Pm)

䉮䊷䊁䉞䊮䉫䈱ᢿጀ↹௝

䊜䉺䊦䊜䉾䉲䊠䉶䊮䉰䈱ේℂ

䊜䉾䉲䊠⴫㕙䈱ዮ᛬₸

ᄌൻ䉕䉶䊮䉲䊮䉫น⢻

0 1 2 3 4 5 6

0.0 0.2 0.4 0.6 0.8 1.0

䉰䊮䊒䊦ή䈚䉮䊷䊮ᴤ

ㅘㆊ₸

๟ᵄᢙ

(THz)

䉰䊮䊒䊦

䉮䊷䊮ᴤ

(

ዮ᛬₸

1.5)

䈮䉋䉎ㅘㆊ․ᕈ䈱ᄌൻ

ㅘㆊ․ᕈ䈏⴫㕙䈱

ዮ᛬₸ᄌൻ䈮ᢅᗵ ^䊂䉞䉾䊒

䉰䊮䊒䊦䈱ዮ᛬₸䈮䉋䉎 ㅘㆊ․ᕈ䈱ᄌൻ䉕᷹ቯ

㊄ዻ䊜䉾䉲䊠䈱ㅘㆊ․ᕈ䈱৻଀

sharp dip sharp dip

slope slope

THz transmittanceTHz transmittance

THz frequency THz frequency

Metal mesh shows extraordinary transmission and localized high electric field around mesh openings. We observe the shift of sharp dip or slope

(6)

䊜䉺䊦䊜䉾䉲䊠䉶䊮䉰ታ㛎♽

BWO( Backward Wave Oscillator)

䊶CWశḮ

䊶นᄌ๟ᵄᢙ

0.9~1.1 THz

䊶಴ജ3mW

BWO

DTGS

ᣇ‛㕙㏜2

f = 50 mm

ᣇ‛㕙㏜

3 f = 50mm

䊧䊮䉵

f = 300 mm

ᣇ‛㕙㏜1

f = 76 mm

䉼䊢䉾䊌䊷䉮䊮䊃䊨䊷䊤䊷

A/D DC㔚࿶Ḯ

Lock-in䉝䊮䊒

PC ITO

ὐశḮ

䊪䉟䊟䊷䉫䊥䉾䊄

䊜䉺䊦䊜䉾䉲䊠

䉰䊮䊒䊦䈱ႣᏓᣇᴺ

䉟䊮䉪䉳䉢䉾䊃䊒䊥䊮䉺䊷

⁽Canon⵾)

ဳ⇟ 䋺

BJ F900

⸃௝ᐲ 䋺

2400㬍1200dpi

ᦨዊ䉟䊮䉪Ṣ䉰䉟䉵䋺

2pl

೙ᓮน⢻ႣᏓ㊂䋺

0~144ng/mm

೙ᓮᣇᴺ 䋺 ାภ୯(R,G,B)=(255,X,255)

2

(R,G,B)=(255,0,255)

䉰䊮䊒䊦䉕ቯ㊂⊛䈮ႣᏓน⢻

䊜䉾䉲䊠਄䈮䉟䊮䉪䉕ႣᏓ䈚䈢࿑

䊜䉾䉲䊠䉕↪䈇䈢䉟䊮䉪Ớᐲ䈱ᬌ಴

ାภ୯ (R,G,B)=(255,X,255)

X=193 X=188

50ng/mm

²

45ng/mm

²

X=198

40ng/mm

² ^500㱘m

⷗䈢⋡䈪䈲㆑䈇䈲⷗䉌䉏䈭䈇

ࡔ࠲࡞ࡔ࠶ࠪࡘࠍ૶ࠊߥ޿႐ว

䉰䊮䊒䊦䈱ㅘㆊ₸䈲㕖Ᏹ䈮ૃ䈩䈇䉎

OHP䉲䊷䊃਄䈮䉟䊮䉪䉕ႣᏓ䈚䈩䉅

ᓸ㊂䈭Ꮕ䉕⷗ᭂ䉄䉎䈱䈲࿎㔍

OHP䉲䊷䊃䈱਄䈮䉟䊮䉪䉕ႣᏓ䈚䈩ㅘㆊ₸䉕᷹ቯ

䉟䊮䉪䈱ㅘㆊ₸䈱Ყセ

880 920 960 1000 1040

0.0 0.2 0.4 0.6 0.8 1.0

ㅘㆊ₸

๟ᵄᢙ

(GHz) 40ng/mm² 45ng/mm² 50ng/mm² 50ng/mm²

䉟䊮䉪

䊜䉺䊦䊜䉾䉲䊠䉕૶䈦䈢႐ว

䊂䉞䉾䊒䈏ૐ๟ᵄ஥䈮䉲䊐䊃

900 950 1000 1050

0.0 0.2 0.4 0.6 0.8 1.0

ㅘㆊ₸

๟ᵄᢙ(GHz)

no sample 40ng/mm² 45ng/mm² 50ng/mm²

㪐㪊㪇㪐㪋㪇㪐㪌㪇㪐㪍㪇㪐㪎㪇㪐㪏㪇

0.6

0.8 1.0

ㅘㆊ₸

๟ᵄᢙ㩿

GHz

㪀

5ng/mm

²

Ꮕ䈱⷗ᭂ䉄䈮ᚑഞ 䊜䉾䉲䊠䉕૶䈉䈖䈫䈪䊶䊶䊶䉟䊮䉪ႣᏓ㊂䈮䉋䉎ㅘㆊ․ᕈ䈱ᄌൻ

㓸శⷺ

6

ᐲ䈮䈩᷹ቯ

BSA(66kDa) Biotin (M.W. 250) 1. Membrane was set on the metal-mesh

2. Biotin was spread on a membrane

3. Avidin or Streptavidin was bound on to the Biotin 4. The spectrum shift was measured using FTIR

䊜䉺䊦䊜䉾䉲䊠䉕↪䈇䈢䉝䊎䊂䉞䊮㵥䊎䉥䉼䊮⚿ว䈱ᬌ಴

Membrane on metal-mesh

before

Biotin 7.2 ng/ mm² Avidin Streptavidin after

membrane membrane

(7)

3.40 3.45 3.50 3.55 3.60 50

52 54 56 58 60

Transmittance [%]

Frequency [THz]

Membrane Biotin-BSA Biotin-BSA + Avidin Biotin-BSA + Streptavidin Biotin 7.2 ng/ mm²

䋨㻍29 pmol䋩

䊜䉺䊦䊜䉾䉲䊠䉕↪䈇䈢䉝䊎䊂䉞䊮㵥䊎䉥䉼䊮⚿ว䈱ᬌ಴ 䊜䉺䊦䊜䉾䉲䊠䉕↪䈇䈢⭯䈇䊐䉞䊦䊛䈱䉟䊜䊷䉳䊮䉫

ㅘ᣿䊐䉞䊦䊛

ෘ䈘䋺

12㱘m

᧚⾰䋺

PET(

䊘䊥䉣䉼䊧䊮䊁䊧䊐䉺䊤䊷䊃

)

ዮ᛬₸ 䋺1.9

7mm

⚕䈱਄䈮タ䈞䈢䉰䊮䊒䊦

0.60 0.64 0.67 0.71 0.76 0.80

7mm

ㅘㆊ₸

㶎

950GHz

䈮䈩䉟䊜䊷䉳䊮䉫䊜䉾䉲䊠਄䈮タ䈞䈢䉰䊮䊒䊦

7mm

0.62 0.66 0.71 0.78 0.83 0.90

ㅘㆊ₸

4mm 10mm 3.5Pm

Measurement of thin PET film thickness using metal mesh

PET film

4.5Pm 5.7Pm

Transmission of PET film contact upon metalmesh changed with thickness

䊗䉡䉺䉟㐿ญ䊜䉺䊦䊜䉾䉲䊠

25䋦 9%

64%

Porosity

Material: Nickel,g= 300 Pm, thickness = 30 Pm

a= 90 Pm a= 150 Pm

a= 240 Pm Aperture

width

Porosity

Square aperture

5%

13%

33%

Bow tie aperture

a a

g a a

g 90^o

x y

Purpose of using bow tie aperture...

1. Generation of shape resonance 2. Electric field enhancement at the bow tie tips Purpose of using bow tie aperture...

1. Generation of shape resonance 2. Electric field enhancement at the bow tie tips

0.85 0.90 0.95 1.00

0.0 0.2 0.4

Bare MHA 100 nm 200 nm 500 nm 1000 nm

Transmittance

Frequency (THz)

ㅘㆊ䉴䊕䉪䊃䊦䈱䉲䊐䊃

ㅘㆊ䉴䊕䉪䊃䊦䈱䉲䊐䊃 ⤑ෘ䈫䉲䊐䊃㊂䈱㑐ଥ ⤑ෘ䈫䉲䊐䊃㊂䈱㑐ଥ

Exponential decay fit

0 200 400 600 800 1000 0.915

0.920 0.925 0.930 0.935

Peak frequency (THz)

Thickness of the overlayer (nm)Thickness of overlayer (nm)

㪈㪇㪇㩷㫅㫄㩷ෘ䈘䈱㆑䈇䉕㪹㫆㫎㩷㫋㫀㪼㩷㪤㪟㪘䈮䉋䉍⸘᷹น⢻

䊗䉡䉺䉟㐿ญ䊜䉺䊦䊜䉾䉲䊠䈮䉋䉎

䉰䊑䊚䉪䊨䊮⤑ෘ⸘᷹䋨 SiO

₂

䋩

(8)

ᓟㅴᵄ▤

శቇ⺞ᢛ↪శḮ

ITOITO

⤑ઃ䈐 ⤑ઃ䈐䉧䊤䉴᧼

䉧䊤䉴᧼

శ䉼䊢䉾䊌䊷 శ䉼䊢䉾䊌䊷

䊧䊮䉵䊧䊮䉵

䉲䊥䉮䊮䊨䉾䊄䉲䊥䉮䊮䊨䉾䊄ゲᄖ䈚᡼‛㕙㏜

ゲᄖ䈚᡼‛㕙㏜

ὶ㔚⚛ሶဳᬌ಴ེ

䊪䉟䉝䊷䉫䊥䉾䊄䊪䉟䉝䊷䉫䊥䉾䊄

1 THz, 1

1 THz, 1 mWmW

ㅪ⛯ᵄ ㅪ⛯ᵄ

䉲䊥䉮䊮䊨䉾䊄ዉᵄ〝䈎䉌䈱䉣䊋䊈䉾䉶䊮䊃ᵄ䉕䉲䊥䉮䊮䊨䉾䊄ዉᵄ〝䈎䉌䈱䉣䊋䊈䉾䉶䊮䊃ᵄ䉕

↪䈇䈢䊁䊤䊓䊦䉿ಽశ䉟䊜䊷䉳䊮䉫

䉥䉲䊨䉴䉮䊷䊒䉥䉲䊨䉴䉮䊷䊒

PC

ෳᾖାภ

䉲䊥䉮䊮䊨䉾䊄ౝ䈱વ᠞䊝䊷䊄

႐ᚲଐሽᕈ䈭䈚

႐ᚲଐሽᕈ䈭䈚㸢㸢ㄭធ႐శ䈲ဋ৻ ㄭធ႐శ䈲ဋ৻

ᶧ૕ਛ䈱ಽశ䊶䉟䊜䊷䉳䊮䉫䈻䈱ᔕ↪

㪎㪇㪏㪇㪐㪇㪈㪇㪇

㪇㪌㪈㪇㪈㪌㪉㪇㪉㪌㪊㪇㪊㪌㪋㪇

૏⟎䋨䌭䌭䋩

ㅘㆊ₸䋨䋦䋩

㐳ㄝ

㪎㪇㪏㪇㪐㪇㪈㪇㪇

㪇㪌㪈㪇㪈㪌㪉㪇㪉㪌㪊㪇㪊㪌㪋㪇

૏⟎䋨䌭䌭䋩

ㅘㆊ₸䋨䋦䋩

⍴ㄝ

ᵱᶇἿἕἛửဇẟẺἩἻἋἓἕἁ༾ỉỶἳὊἊὅἂ

0.0 5.0 10.0 15.0 0

5

10

15

20

25

30

length (mm)

2 3 m m

11 mm

ᵱᶇἿἕἛửဇẟẺἩἻἋἓἕἁ༾ỉỶἳὊἊὅἂ

ᵢᵋἂἽἅὊἋ๋෩ຜࡇỉᚘย̊

㪇㪈㪇㪉㪇㪊㪇㪋㪇㪌㪇

㪍㪏㪎㪇㪎㪉㪎㪋㪎㪍㪎㪏㪏㪇㪏㪉㪏㪋

㩷

㪫㫉㪸㫅㫊㫄㫀㫋㫋㫀㫆㫅㩷㩿㩼㪀

㪛㪄㪾㫃㫌㪺㫆㫊㪼㩷㪚㫆㫅㪺㪼㫅㫋㫉㪸㫋㫀㫆㫅㩷㩿㩼㪀

BWO

Alignment light ITO

lens

ゲᄖ䈚ᣇ‛㕙㏜

1 THz, 1 mW, CW

oscilloscope PC

ᄌ⺞↪శḮ䋨⊕⦡㔚⃿䋩

ᷫ⴮᧼ ὶ㔚ᬌ಴ེ

శ䈮䉋䉎䊁䊤䊓䊦䉿ᵄᄌ⺞䈱น⢻ᕈ

PD

(9)

ᷫ⴮᧼

66

ᨎ

ᨎ 55ᨎᨎ

44

ᨎ

ᨎ 33ᨎᨎ 22ᨎ

ᨎ

1ᨎ1ᨎ

䈭䈚

㪇㪅㪇㪇㪅㪉㪇㪅㪋㪇㪅㪍㪇㪅㪏㪈㪅㪇

⚻ㆊᤨ㑆

㪫㪟㫑శㅘㆊ₸䋯⊕⦡శᒝᐲ䋨㪸㫉㪹㪅㩷㫌㫅㫀㫋䋩

㪫㪟㫑ㅘㆊ₸

⊕⦡శᒝᐲ

Si 䊨䉾䊄䈮ᾖ኿䈚䈢นⷞశᒝᐲ䈫䌔䌈䌺ㅘㆊ₸

ᵱᶇெợụờᵱᶇἿἕἛỊ᭗јྙỂ٭ᛦӧ ᵏᵎᵥᵦᶘˌɥỉ٭ᛦӧίᵏᶁᶋᧈἿἕἛὸ

ᙬਛ㔚Ἦ

᳓ਛ䈱Si䊨䉾䊄䈮ᾖ኿䈚䈢นⷞశ䈮䉋䉎䊁䊤䊓䊦䉿ᵄㅘㆊ₸ᄌ⺞

᳓ਛ䈱 Si 䊨䉾䊄䈮ᾖ኿䈚䈢นⷞశᒝᐲ䈫䌔䌈䌺ㅘㆊ₸

ᷫ⴮᧼

88ᨎᨎ 55ᨎᨎ

44ᨎᨎ 3ᨎ3ᨎ 2ᨎ2ᨎ 11

ᨎ

䈭䈚

66ᨎᨎ77

ᨎ

㪇㪅㪇㪇㪅㪉㪇㪅㪋㪇㪅㪍㪇㪅㪏㪈㪅㪇

ᤨ㑆

㪫㪟㫑శㅘㆊ₸䋯⊕⦡శᒝᐲ䋨㪸㫉㪹㪅㩷㫌㫅㫀㫋䋩

㪫㪟㫑శᒝᐲ

⊕⦡శᒝᐲ

Soot Filter

Engine

5QQV-KNNU There has been no method for There has been no method for non destructive measurement of non destructive measurement of soot distribution in ceramic filter soot distribution in ceramic filter

䌔䌈䌺-䌔䌄䌓䈮䉋䉎ⷺᐲଐሽᕈ᷹ቯታ㛎

Fiber laser

ㆃᑧ

PBS O/2

Si శવዉ⚛ሶ శવዉ⚛ሶ

ബ⿠శ O/2

O/2

Si

䋨ᬌ಴䋩

䊌䊦䉴᏷䋺

100 fs

䋨⊒↢䋩 ᐔဋ಴ജ䋺20䌭䌗 ਛᔃᵄ㐳䋺780nm

ෳᾖశ

ࠕࡄ࡯࠴ࡖ

䊐䉞䊦䉺䋫࿁ォ䉴䊁䊷䉳

䊐䉞䊦䉺ㅘㆊ₸䈱๟ᵄᢙ䋭ⷺᐲଐሽᕈ

210 200 190 180 170 160 150 140 130 120 110 100 90

๟ᵄᢙ[GHz]

䊚䊥ᵄ౉኿ⷺᐲ

[deg.]

0 15 30 45 60 75 90

㪇㪈㪇㪉㪇㪊㪇㪋㪇㪌㪇㪍㪇㪎㪇㪏㪇

ㅘㆊ₸[%]

ㆇ⦟䈒䊐䉤䊃䊆䉾䉪⚿᥏ ㆇ⦟䈒䊐䉤䊃䊆䉾䉪⚿᥏

䈣䈦䈢

䈣䈦䈢㹢㹢 ๟ᵄᢙ䉕 ๟ᵄᢙ䉕 ㆬ䈼䈳ోᣇ૏䈎䉌 ㆬ䈼䈳ోᣇ૏䈎䉌

CT CT

᠟௝䈏น⢻ ᠟௝䈏น⢻

(10)

Gunn oscillator 65GHz f =300 mm

detector

f =100 mm f =150 mm

beam dia. 8mmI

䌘

stage

㱔stage

65GHz Sample view

PC + -

DCPS

Power Meter 2f =50.8 mm

X-axis step: 2mm (64step x 2mm = 128mm) Tstep: 2deg.

(180step x 2deg. = 360 deg.)

䊚䊥ᵄ䌃䌔䈱ታ㛎♽

Diameter of soot filter 130mm

䉴䉴ၸⓍ㊂1.9g/L

䊐䉞䊦䉺䊷ౝ䈱䉴䉴䈱 CT 䉟䊜䊷䉳䊮䉫⚿ᨐ

view of sample CT image

䉴䉴ၸⓍ㊂1.9g/L

䊐䉞䊦䉺䊷ౝ䈱䉴䉴䈱 CT 䉟䊜䊷䉳䊮䉫⚿ᨐ

ኈེౝ䈱♧㘃䈱 ኈེౝ䈱♧㘃䈱㪫㪟㪫㪟䌺ಽశ䉟䊜䊷䉳䊮䉫䌺ಽశ䉟䊜䊷䉳䊮䉫

䈅䈎䈼䈖䈱䋳 D THz-CT

㊀䉍㊀䉍

䉦䉾䊒䊤䊷䊜䊮䈱䋳㪛㪫㪟㫑㪄㪚㪫

(11)

䊁䊤䊓䊦䉿䉟䊜䊷䉳䊮䉫䈱 䉟䊜䊷䉳䊮䉫䈱 ᔕ↪