BBO kirisita

BBO jẹ titun ultraviolet igbohunsafẹfẹ ilọpo kirisita.O ti wa ni a odi uniaxial gara, pẹlu arinrin refractive atọka (ko si) o tobi ju extraordinary refractive atọka (ne).Mejeeji Iru I ati iru II ibaamu ipele le jẹ ami nipasẹ yiyi igun.

Ilana Crystal:Trigonal, Space Group R3c

Paramita Lattice:a=b=12.532Å,c=12.717Å,Z=6

Oju Iyọ:Nipa 1095 ℃

Lile Mohs: 4

Ìwúwo:3,85 g / cm3

Awọn Imugboroosi Gbona:α11=4 x 10-6/K;α33=36x 10-6/K

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Iṣura Akojọ

BBO jẹ titun ultraviole igbohunsafẹfẹ ilọpo crystal.O jẹ odi uniaxial gara, pẹlu arinrin refractive atọka (ko si) o tobi ju extraordinary refractive atọka (ne).Mejeeji Iru I ati iru II ibaamu ipele le jẹ ami nipasẹ yiyi igun.
BBO jẹ kristali NLO ti o munadoko fun iran irẹpọ keji, kẹta ati kẹrin ti Nd: YAG lasers, ati okuta NLO ti o dara julọ fun iran irẹpọ karun ni 213nm.Awọn iṣẹ ṣiṣe iyipada ti o ju 70% fun SHG, 60% fun THG ati 50% fun 4HG, ati 200 mW ti njade ni 213 nm (5HG) ti gba, lẹsẹsẹ.
BBO tun jẹ gara daradara fun SHG intracavity ti agbara giga Nd: YAG lasers.Fun intracavity SHG ti ohun acousto-optic Q-switched Nd:YAG laser, diẹ sii ju agbara apapọ 15 W ni 532 nm jẹ ipilẹṣẹ nipasẹ BBO kristali ti a bo AR.Nigbati o ba fa soke nipasẹ iṣelọpọ 600 mW SHG ti ipo-titiipa Nd:YLF laser, iṣelọpọ 66 mW ni 263 nm ni a ṣejade lati inu igun-igun Brewster kan ti a ge ni BBO ni iho imudara itagbangba.
BBO tun le ṣee lo fun awọn ohun elo EO.BBO Pockels ẹyin tabi EO Q-Switchs ti wa ni lo lati yi awọn polarization ipo ti ina ran nipasẹ o nigbati a foliteji ti wa ni loo si awọn amọna ti electro-opitiki kirisita bi BBO.Beta-Barium Borate (β-BaB2O4, BBO) pẹlu awọn ohun kikọ jakejado akoyawo ati awọn sakani ibaamu ipele, olusọdipúpọ aiṣedeede nla, ala ibaje giga ati isokan opitika ti o dara julọ ati awọn ohun-ini elekitiro-opiti pese awọn aye ti o wuyi fun ọpọlọpọ awọn ohun elo opiti aiṣedeede ati awọn ohun elo elekitiro-opiti.
Awọn ẹya ara ẹrọ ti awọn kirisita BBO:
• Iwọn ipele ti o ni ibamu ti o gbooro lati 409.6 nm si 3500 nm;
• Agbegbe gbigbe jakejado lati 190 nm si 3500 nm;
• Olusọdipúpọ-ibaramu-keji ti o tobi pupọ (SHG) nipa awọn akoko 6 ti o tobi ju ti KDP gara;
• Ibajẹ ti o ga julọ;
• Isọpọ opiti giga pẹlu δn ≈10-6 / cm;
• Bandiwidi iwọn otutu jakejado ti bii 55℃.
Akiyesi pataki:
BBO ni ifaragba kekere si ọrinrin.A gba awọn olumulo niyanju lati pese awọn ipo gbigbẹ fun ohun elo mejeeji ati titọju BBO.
BBO jẹ rirọ ati nitorinaa nilo awọn iṣọra lati daabobo awọn oju didan rẹ.
Nigbati atunṣe igun ba jẹ dandan, jọwọ ṣe akiyesi pe igun gbigba ti BBO kere.

Ifarada iwọn	(W± 0.1mm) x (H± 0.1mm) x (L+0.5/-0.1mm) (L≥2.5mm)(W±0.1mm) x(H±0.1mm) x(L+0.1/-0.1) mm) (L<2.5mm)
Ko ihoho	aarin 90% ti iwọn ila opin Ko si awọn ọna itọka ti o han tabi awọn ile-iṣẹ nigbati o ṣe ayẹwo nipasẹ laser alawọ ewe 50mW
Fifẹ	kere ju L/8 @ 633nm
Wavefront iparun	kere ju L/8 @ 633nm
Chamfer	≤0.2mm x 45°
Chip	≤0.1mm
Yiyọ / ma wà	dara ju 10/5 to MIL-PRF-13830B
Iparapọ	≤20 aaki aaya
Perpendicularity	≤5 arc iṣẹju
Ifarada igun	≤0.25
Ibajẹ iloro[GW/cm2]	> 1 fun 1064nm, TEM00, 10ns, 10HZ (didan nikan)>0.5 fun 1064nm, TEM00, 10ns, 10HZ (AR-ti a bo)> 0.3 fun 532nm, TEM00, 10ns, 10HZ) (AR-coated)

Awọn ohun-ini ipilẹ
Crystal Be	Trigonal,Aaye Ẹgbẹ R3c
Lattice Paramita	a=b=12.532Å,c=12.717Å,Z=6
Ojuami Iyo	Nipa 1095 ℃
Mohs Lile	4
iwuwo	3,85 g / cm3
Gbona Imugboroosi iye	α11=4 x 10-6/K;α33=36x 10-6/K
Gbona Conductivity iyeida	⊥c: 1.2W/m/K;//c: 1.6W/m/K
Atopin Ibiti	190-3500nm
Ipele Ipele ti o baamu SHG	409.6-3500nm (Iru I) 525-3500nm (Iru II)
Awọn Iṣọkan-Opiti Gbona (/ ℃)	dno/dT = -16.6x 10-6/℃ dne/dT = -9.3x 10-6/℃
Absorption Coefficients	<0.1%/cm(ni 1064nm) <1%/cm(ni 532nm)
Gbigba igun	0.8mrad·cm (θ, Iru I, 1064 SHG) 1.27mrad·cm (θ, Iru II, 1064 SHG)
Gbigba iwọn otutu	55℃ · cm
Spectral Gbigba	1.1nm · cm
Rin-pipa Angle	2.7° (Iru I 1064 SHG) 3.2° (Iru II 1064 SHG)
NLO olùsọdipúpọ	deff(I)=d31sinθ+(d11cos3Φ- d22 sin3Φ) cosθq deff (II)= (d11 sin3Φ + d22 cos3Φ) cos2θ
Awọn alailagbara NLO ti ko sọnu	d11 = 5.8 x d36(KDP) d31 = 0,05 x d11 d22 <0.05 x d11
Awọn aidọgba Sellmeier (λ ni μm)	no2=2.7359+0.01878/(λ2-0.01822)-0.01354λ2 ne2=2.3753+0.01224/(λ2-0.01667)-0.01516λ2
Electro-opiki iyeida	γ22 = 2.7 irọlẹ/V
Idaji-igbi foliteji	7 KV (ni 1064 nm, 3x3x20mm3)

Awoṣe	Ọja	Iwọn	Iṣalaye	Dada	Oke	Opoiye
DE0998	BBO	10101mm	θ=29.2°	Pipa @ 800 + 400nm	Unmounted	1
DE1012	BBO	10 * 10 * 0.5mm	θ=29.2°	Pipa @ 800 + 400nm	φ25.4mm	1
DE1132	BBO	7 * 6.5 * 8.5mm	θ=22°type1	S1: Pipa @ 532nm S2: Pipa @ 1350nm	Unmounted	1
DE1156	BBO	10 * 10 * 0.1mm	θ=29.2°	Pipa @ 800 + 400nm	φ25.4mm	1