LN–Q Yakashandura Crystal Featured Image

LN–Q Yakachinja Crystal

Tsanangudzo Pfupi

LiNbO3 inoshandiswa zvakanyanya se electro-optic modulators uye Q-swichi yeNd: YAG, Nd: YLF uye Ti: Sapphire lasers pamwe chete nemodulator ye fiber optics. Iri tafura rinotevera rinoratidza zvinotsanangurwa zveyakajairwa LiNbO3 crystal inoshandiswa seQ-switch ine transverse EO modulation.

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Product Description

Chiedza chinopararira muz-axis uye munda wemagetsi unoshanda kune x-axis. I-electro-optic coefficients yeLiNbO3 ndeiyi: r33 = 32 pm/V, r31 = 10 pm/V, r22 = 6.8 pm/V panguva yakaderera uye r33 = 31 pm/V, r31= 8.6 pm/V, r22 = 3.4 pm/V pamhepo yakakwira frequency. Iyo hafu-wave voltage: Vπ=λd/(2no3r22L), rc=(ne/no)3r33-r13.LiNbO3 zvakare yakanaka acousto-optic crystal uye inoshandiswa kune pamusoro acoustic wave (SAW) wafer uye AO modulators. CASTECH inopa acoustic (SAW) giredhi LiNbO3 makristasi mumawafers, se-akachekwa boules, akapedzwa zvikamu uye tsika dzakagadzirwa zvinhu.

Basic Properties

Crystal Structure	Single crystal, Synthetic
Density	4.64g/cm3
Melting Point	1253ºC
Transmission Range (50% yehuwandu hwekutapurirana)	0.32-5.2um(ukobvu 6mm)
Molecular Weight	147.8456
Young's Modulus	170GPa
Shear Modulus	68GPa
Bulk Modulus	112GPa
Dielectric Constant	82@298K
Cleavage Planes	Hapana Cleavage
Poisson Ratio	0.25

Yakajairika SAW Properties

Cheka Type	SAW VelocityVs (m/s)	Electromechanical Coupling Factork2s (%)	Tembiricha Coefficient yeVelocity TCV (10-6/oC)	Tembiricha Coefficient yeKunonoka TCD (10-6/oC)
127.86o YX	3970	5.5	-60	78
YX	3485	4.3	-85	95
Typical Specifications
Type Specifications	Boule		Wafer
Diameter	Φ3"	Φ4"	Φ3"	Φ4"
Hurefu hwehukobvu(mm)	≤100	≤50	0.35-0.5
Orientation	127.86°Y, 64°Y, 135°Y, X, Y, Z, nezvimwe zvakachekwa
Ref. Flat Orientation	X, Y
Ref. Flat Length	22±2mm	32±2mm	22±2mm	32±2mm
Front Side Polishing			Mirror yakakwenenzverwa 5-15 Å
Back Side Lapping			0.3-1.0 mm
flatness (mm)			≤ 15
Kukotama (mm)			≤ 25

Technical Parameters

Size	9 X 9 X 25 mm3 kana 4 X 4 X 15 mm3
	Humwe saizi inowanikwa pakukumbira
Kushivirira kwehukuru	Z-axis: ± 0.2 mm
	X-axis uye Y-axis:±0.1 mm
Chamfer	isingasviki 0.5 mm pa45 °
Kururama kwekutarisa	Z-axis: <± 5'
	X-axis uye Y-axis: <± 10'
Parallelism	<20"
Finish	10/5 kukwenya/kuchera
Flatness	λ/8 pa633 nm
AR-kupfeka	R <0.2% @ 1064 nm
Electrodes	Goridhe/Chrome yakaiswa pa X-zviso
Wavefront distortion	< λ/4 @ 633 nm
Extinction ratio	> 400:1 @ 633 nm, φ6 mm danda