AgGaS2 - Kiristaalada Infrared indhaha ee aan toos ahayn ee muuqaalka leh

AgGaS2 - Crystals Infrared indhaha oo aan toos ahayn

Sharaxaad Gaaban:

AGS waa hufan laga bilaabo 0.53 ilaa 12 µm. In kasta oo isku-dheellitirkeeda indho-indheynta aan tooska ahayn uu yahay kan ugu hooseeya ee ka mid ah kiristaalo infrared ee la sheegay, daah-furnaanta mowjadda dhererka gaaban ee 550 nm ayaa lagu sameeyay isticmaalka OPO-yada ay ku shubto Nd:YAG laser; Tijaabooyin isku dhafan oo kala duwan oo badan oo kala duwan oo isku dhafan oo leh diode, Ti: Sapphire, Nd: YAG iyo IR dheeha leysarka oo daboolaya baaxadda 3-12 µm; Nidaamyada cabbiraadda infrared toos ah, iyo SHG ee CO2 laser.

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Faahfaahinta Alaabta

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Sharaxaada Alaabta

Taarikada khafiifka ah ee AgGaS2 (AGS) waxay caan ku yihiin jiilka garaaca wadnaha ee ultrashort ee dhexda IR kala duwanaanshaha jiilka soo noqnoqda iyadoo adeegsanaysa garaaca hirarka hirarka NIR.

Codsiyada

● Jiilka labaad ee harmonics ee CO iyo CO2 - lasers
● oscilator parametric indhaha
● Soosaaraha soo noqnoqda ee kala duwan ilaa gobolada dhexe ee infrared ilaa 12 mkm.
● Isku darka soo noqnoqda ee gobolka dhexe ee IR min 4.0 ilaa 18.3 µm
● Laysarka gobolka adag ee la dami karo (OPO oo ay bamgareyso Nd:YAG iyo lasers kale oo ka shaqeeya 1200 ilaa 10000 nm oo leh 0.1 ilaa 10%)
● Shaandhooyinka dhuuban indhaha ee gobolka u dhow barta isotropic (0.4974 m at 300 °K), band gudbinta oo lagu hagaajinayo heerkulka kala duwan
● Kor-u-beddelka sawirka shucaaca laser-ka CO2 una beddelo IR-u-dhow ama gobol muuqda iyadoo la isticmaalayo/ama la isticmaalayo Nd:YAG, ruby ama leysarka dheeha leh oo tayo leh ilaa 30 %

Astaamaha

● Gudbinta 0.25-5.0 mm, ma jiro nuugista 2-3 mm
● Dhaqdhaqaaqa kulaylka sare
● Tusaha sare ee dib-u-celinta iyo ka-hortagga la'aanta

Guryaha aasaasiga ah

Dhismaha Crystal	Tetragonal
Qiyaasaha Unugyada	a=5.992 Å, c=10.886 Å
Meesha dhalaalaysa	851 °C
Cufnaanta	5.700 g/cm3
Mohs Hardness	3-3.5
Iskuxidhka Nuugista	<0.05 cm-1 @ 1.064 µm <0.02 cm-1 @ 10.6 µm
Joogtada Dielectric Qaraabo @ 25 MHz	ε11s=10.5 ε11t=12.0
Iskuxidhka Balaadhinta kulaylka	\|\|C: -8.1 x 10-6 /°C ⊥C: +19.8 x 10-6 /°C
Habdhaqanka kulaylka	1.0 W/M/°C

Guryaha indhaha ee toosan

Kala duwanaanshaha daahfurnaanta	0.50-13.2 um
Indices Refractive	no	ne
@ 1.064 um	2.4521	2.3990
@ 5.300 um	2.3945	2.3408
@ 10.60um	2.3472	2.2934
Thermo-Optic Isku xidhka	dno/dt=15.4 x 10-5/°C dne/dt=15.5 x 10-5/°C
Sellmeier Equations (ʎ in um)	no2=3.3970+2.3982/(1-0.09311/ʎ2) +2.1640/(1-950/ʎ2) ne2=3.5873+1.9533/(1-0.11066/ʎ2) +2.3391/ (1-1030.7/ʎ2)

Guryaha indhaha ee aan toos ahayn

Wejiga-Isku-barbardhigga SHG-ga	1.8-11.2 um
Iskuxidhka NLO @ 1.064 um	d36=d24=d15=23.6 pm/V
Electro-optic toosan Isku xidhka	Y41T=4.0 galabnimo/V Y63T=3.0 galabnimo/V
Xadka burburka @ ~ 10 ns, 1.064 um	25 MW/cm2(korka), 500 MW/cm2(badan)

Halbeegyada aasaasiga ah

Wavefront qalloocan	in ka yar λ/6 @ 633 nm
Dulqaadka cabbirka	(W +/-0.1 mm) x (H +/-0.1 mm) x (L +0.2 mm/-0.1 mm)
Bannaanka daloolka	> 90% aagga dhexe
Fiican	λ/6 @ 633 nm ee T>=1.0mm
Tayada dusha sare	xoqo/qodo 20/10 per MIL-O-13830A
Isbarbar yaac	ka fiican 1 arc min
Si toos ah	5 daqiiqo oo arc ah
Dulqaadka xagasha	Δθ < +/-0.25o, Δφ < +/-0.25o