Nd:YLF — Sawirka Leh-doped Lithium Yttrium Fluoride

Nd:YLF — Nd-doped Lithium Yttrium Fluoride

Sharaxaad Gaaban:

Nd:YLF crystal waa qalab kale oo aad muhiim u ah shaqada laser crystal ka dib Nd: YAG. Matrix-ka kristal ee YLF wuxuu leeyahay dherer gaaban oo nuugista UV-gaaban, tiro balaadhan oo ah xadhkaha gudbinta iftiinka, isugaynta heerkulka taban ee index refractive, iyo saamaynta lenska kulaylka yar. Unuggu waxa uu ku habboon yahay doping ion Earth oo dhif ah oo kala duwan, waxana uu ogaan karaa oscilation laser ee tiro badan oo mawjadaha dhererka ah, gaar ahaan hirarka ultraviolet. Nd:YLF crystal waxa uu leeyahay nuugista ballaaran ee spectrum, cimri dheer fluorescence, iyo polarization wax soo saarka, ku haboon bamgareynta LD, waxaana si weyn loo isticmaalaa in pulsed iyo joogto ah lasers ee hababka kala duwan ee shaqada, gaar ahaan wax soo saarka hal-mode, Q-switched ultrashort pulse lasers. Nd: YLF crystal p-polarized 1.053mm laser iyo phosphate neodymium galaas 1.054mm dhererka dhererka laser, marka waa qalab shaqo oo ku habboon oscillator-ka nidaamka musiibada nukliyeerka muraayadda neodymium.

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Astaamaha

Nd:YLF crystal, sidoo kale loo yaqaan Nd-doped lithium yttrium fluoride, waa lithium yttrium fluoride crystal oo soo saara 1047nm iyo 1053nm lasers. Faa'iidooyinka ugu muhiimsan ee Nd:YLF crystal waa: super ballaaran line width, saamaynta lens kulaylka hoose, codsiga laser joogto ah heerka iftiinka kicinta hoose, polarization dabiiciga ah, iwm. walxo crystal ah oo loogu talagalay laysarka joogtada ah iyo laser qaab-ku xiran. Nd:YLF crystal aanu bixino, Nd-doped lithium yttrium fluoride oo uu koray habka Czochralsky, waxa uu ku siin karaa Nd:YLF crystal rod ama Nd:YLF saxan crystal leh xooga doping kala duwan.

Astaamaha

● Saamaynta muraayadaha kulaylka yar
● Xadhkaha gudbinta iftiinka oo ballaadhan
● Mawjada la gooyey ee nuugista UV waa gaaban tahay
● tayada sare ee indhaha
● Soo saar iftiin toosan

U fiirsashada daawada	Nd: ~ 1.0 at%
Jihaynta Crystal	[100] ama [001], leexashada 5° gudahood
Wavefront qalloocan	≤0.25/25mm @632.8nm
Dhexroor usha Crystal	3 ~ 8mm
dhererka	10 ~ 120mm waxaa loo habeyn karaa iyadoo loo eegayo shuruudaha macaamiisha
Dhexroor dulqaadka cabbirka	+0.00/-0.05mm
dhererka	±0.5mm
Habaynta cylindrical	Shiidid fiican ama turxaan bixin
Jooji isbarbardhigga	≤10"
Si toos ah u dhexeeya wejiga dhamaadka iyo dhidibka usha	≤5'
Flat of wejiga dhamaadka	≤N10@632.8nm
Tayada dusha sare	10-5 (MIL-O-13830B)
Xubin	0.2+0.05mm
milicsiga dahaarka AR	<0.25%@1047/1053nm
Dahaarka ka-hortagga waxyeelada laser-ka	≥500MW/cm