LN–Q Beddelka Crystal

Sharaxaad Gaaban:

LiNbO3 waxaa si weyn loogu isticmaalaa sida modulators electro-optic iyo Q-switches ee Nd: YAG, Nd: YLF iyo Ti: Sapphire lasers iyo sidoo kale modulators ee fiber optics.Jadwalka soo socdaa wuxuu taxayaa sifooyinka kiristalka caadiga ah ee LiNbO3 ee loo isticmaalo sidii Q-switch oo leh qaabaynta EO-gaaban.

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Sharaxaada Alaabta

Iftiinku wuxuu ku faafaa dhidibka z-axis iyo goobta korantada waxay khuseysaa dhidibka x.Isku dhafka elektiroonigga ah ee LiNbO3 waa: r33 = 32 pm/V, r31 = 10 pm/V, r22 = 6.8 pm/V inta jeer ee hooseeya iyo r33 = 31 pm/V, r31= 8.6 pm/V, r22 = 3.4 pm/V inta jeer ee korontadu sarayso.Korantada kala badh-mawjadda: Vπ=λd/(2no3r22L), rc=(ne/no)3r33-r13.LiNbO3 sidoo kale waa crystal acousto-optic wanaagsan oo loo isticmaalo mowjad acoustic ah dusha sare (SAW) wafer iyo modulators AO.CASTECH waxay bixisaa kiristaalo acoustic (SAW) darajada LiNbO3 ee maraqyada, boules sida-la jarjaray, qaybaha la dhammeeyey iyo walxaha la sameeyay.

Guryaha aasaasiga ah

Dhismaha Crystal	Hal crystal, synthetic
Cufnaanta	4.64g/cm3
Meesha dhalaalaysa	1253ºC
Xadka Gudbinta (50% wadarta gudbinta)	0.32-5.2um( dhumucdiisuna tahay 6mm)
Miisaanka Molecular	147.8456
Modulka dhalinyarada	170GPa
Modul jeex	68GPa
Bulk Modulus	112GPa
Dielectric Constant	82@298K
Jebinta Diyaaradaha	Ma jiro Burbur
Saamiga Sunta	0.25

Guryaha SAW ee caadiga ah

Nooca Goynta	Xawaaraha SAWVs (m/s)	Qodobbada Isku-xidhka Electromechanical 2s (%)	Isku-dhafka Heerkulka Xawaaraha TCV (10-6/oC)	Isku-dhafka Heerkulka ee Daahitaanka TCD (10-6/oC)
127.86o YX	3970	5.5	-60	78
YX	3485	4.3	-85	95
Tilmaamaha Caadiga ah
Nooca Tilmaamaha	Boule		Wafer
Dhexroorka	Φ3"	Φ4"	Φ3"	Φ4"
Dhererka Dhererka (mm)	≤100	≤50	0.35-0.5
Hanuuninta	127.86°Y, 64°Y, 135°Y, X, Y, Z, iyo gooyn kale
TixraacHanuuninta fidsan	X, Y
TixraacDhererka fidsan	22± 2mm	32± 2mm	22± 2mm	32± 2mm
Polishashada dhinaca hore			Muraayada ayaa dhalaalisay 5-15 Å
Dhabarka Dhabarka			0.3-1.0 mm
Bannaanka (mm)			≤ 15
Qaansada (mm)			≤ 25

Qiyaasaha Farsamada

Cabbirka	9 X 9 X 25 mm3 ama 4 X 4 X 15 mm3
	Cabbir kale ayaa la heli karaa marka la codsado
Dulqaadka cabbirka	dhidibka Z: ± 0.2 mm
	dhidibka X iyo dhidibka Y: ± 0.1 mm
Chamfer	in ka yar 0.5 mm at 45°
Saxnaanta jihaynta	dhidibka Z: <± 5'
	dhidibka X iyo dhidibka Y: <± 10'
Isbarbar yaac	< 20"
dhame	10/5 xoq / qod
Fiican	λ/8 at 633 nm
AR-dahaarka	R <0.2% @ 1064 nm
Electrodes	Dahab/Chrome lagu dhejiyay wejiyada X
Wavefront qalloocan	<λ/4 @ 633 nm
Saamiga dabar goynta	> 400:1 @ 633 nm, φ6 mm dhuxul