Potassium dideuterium phosphate (DKDP) ke mofuta oa kristale ea optical e se nang moeli e nang le lisebelisoa tse ntle haholo tsa electro-optic tse ntlafalitsoeng ka bo-1940. E sebelisoa haholo ho oscillation ea parametric, electro-optic Q- fetoha, electro-optic modulation joalo-joalo. kristale ea DKDP e na lemekhahlelo e 'meli: mohato oa monoclinic le mohato oa tetragonal. The molemo kristale ea DKDP ke karolo ea tetragonal eo e leng ea D_2d-42m sehlopha sa lintlha le ID¹²_2d -42d sehlopha sa sebaka. DKDP ke isomorphicsebopeho potassium dihydrogen phosphate (KDP). Deuterium e nkela hydrogen sebakeng sa kristale ea KDP ho felisa tšusumetso ea ho monya ha infrared e bakoang ke ho sisinyeha ha hydrogen.kristale ea DKDP e nang le phahameng deuteration ratio na e betere ea electro-optical thepa le betere thepa e se nang moeli.

Ho tloha ka bo-1970, nts'etsopele ea laser Inetial Cho koetla Fthekenoloji ea tšebeliso (ICF) e khothalelitse haholo nts'etsopele ea letoto la likristale tsa photoelectric, haholo-holo KDP le DKDP. Joalo ka e lisebelisoa tsa optical electro-optical le nonlinear optical sebelisoa ka ICF, kristale ke e hlokahalang ho ba le phetiso e phahameng ka lihlopha tsa maqhubu ho tloha haufi le ultraviolet ho isa haufi le infrared, coefficient e kholo ea electro-optical le coefficient e se nang moeli, moeli oa tšenyo e phahameng, le ho ba e kgonang ho ba lokisetsad ho lesoba le leholo le ka boleng bo phahameng ba pono. Ho fihlela joale, ke likristale tsa KDP le DKDP feela kopana lese ditlhoko.

ICF e hloka boholo ba DKDP karolo ho fihla ho 400-600 mm. Hangata ho nka lilemo tse 1-2 ho holakristale ea DKDP e nang le boholo bo bokaalo ka mokhoa oa setso ea pholiso ea tharollo ea metsi, kahoo ho entsoe mosebetsi o mongata oa lipatlisiso ho fumana kholo e potlakileng ea likristale tsa DKDP. Ka 1982, Bespalov et al. o ithutile theknoloji ea kholo e potlakileng ea kristale ea DKDP e nang le karolo ea 40 mm×40 mm, 'me sekhahla sa kgolo se fihlile ho 0.5-1.0 mm / h, e leng taelo ea boholo bo phahameng ho feta mokhoa oa setso. Ka 1987, Bespalov et al. ka katleho e holile likristale tsa boleng bo holimo tsa DKDP ka boholo ba 150 mm×150 limilimithara×80 limilimithara ka ho sebelisa mokhoa o ts'oanang oa ho hola ka potlako. Ka 1990, Chernov et al. e fumane likristale tsa DKDP tse boima ba 800 g ka ho sebelisa ntlha-mokhoa oa peo. Sekhahla sa kholo ea likristale tsa DKDP ka Z-tataiso fihlad 40-50 mm/d, le ba ka hare X- le Y-litsela fihlad 20-25 limilimithara/d. Lawrence Livermore Naha Laboratori (LLNL) e entse lipatlisiso tse ngata mabapi le ho lokisa likristale tse kholo tsa KDP le likristale tsa DKDP bakeng sa litlhoko tsa N.ational Sebaka sa ho Ignition (NIF) ea USA. Ka 2012,Bafuputsi ba Machaena ba ile ba ntlafala kristale ea DKDP e boholo ba 510 mm×390 limilimithara×520 limilimithara moo karolo e tala ea DKDP ea mofuta II makhetlo a mabeli ka boholo ba 430 mm e ne e entsoe.

Lisebelisoa tsa electro-optical Q-switching li hloka likristale tsa DKDP tse nang le li-deuterium tse ngata. Ka 1995, Zaitseva et al. e hōlile likristale tsa DKDP tse nang le litaba tse phahameng tsa deuterium le sekhahla sa kholo ea 10-40 mm / d. Ka 1998, Zaitseva et al. e fumane likristale tsa DKDP tse nang le boleng bo botle ba optical, density e tlase ea dislocation, optical uniformity le moeli o phahameng oa tšenyo ka ho sebelisa mokhoa o tsoelang pele oa ho hloekisa. Ka 2006, mokhoa oa photobath bakeng sa ho lengoa ha kristale e phahameng ea deuterium DKDP e ne e e-na le tokelo ea molao. Ka 2015, likristale tsa DKDP tse nang le deuteration ratio ea 98% le boholo ba 100 mm×105 limilimithara×96 mm li ile tsa holisoa ka katleho ka ntlha-peo mokhoa oa Univesithi ea Shandong ea Chaena. Thke kristale ha e na bofokoli bo bongata bo bonahalang, le eona refractive index asymmetry e ka tlase ho 0.441 ppm. Ka 2015, theknoloji ea ho hōla ka potlakokristale ea DKDP ka deuteration ratio ea 90% e ne e sebelisoa ka lekhetlo la pele Chaena ho lokisetsa Q-switjhalintho tse bonahalang, ho paka hore theknoloji ea ho hōla ka potlako e ka sebelisoa ho lokisetsa 430 mm bophara ba DKDP electro-optical Q-switchng karolo e hlokehang ke ICF.

kristale ea DKDP e entsoe ke WISOPTIC (Deuteration> 99%)

Likristale tsa DKDP tse pepesehileng sepakapakeng ka nako e telele li tla na le holim'a delirium le nebulization, e tla lebisa ho fokotseha ho hoholo ha boleng ba optical le tahlehelo ea bokhoni ba ho fetolela. Ka hona, hoa hlokahala ho tiisa kristale ha u lokisetsa electro-optic Q-switch. E le ho fokotsa khanya ea leseliho fensetere e koalangs ea Q-switch le ho maholimo a mangata a kristale, mokelikeli o ts'oanang oa index ea refractive hangata oa entoa sebakeng pakeng tsa kristale le fenseteres. Leha e le wntle anti-ho roala ho phatsimang, tphetiso ea hae e ka ba e eketsehile ho tloha ho 92% ho ea ho 96% -97% (wavelength 1064 nm) ka tshebediso tharollo e tsamaisanang le index ea refractive. Ho phaella moo, filimi e sireletsang e boetse e sebelisoa e le tekanyo ea bopaki ba mongobo. Xionget al. e lokisitseng SiO₂ filimi ea colloidal ka mesebetsi ea e thibelang mongobo le e thibelang ho bonahatsaho. Phetiso e fihlile ho 99.7% (wavelength 794 nm), mme moeli oa tšenyo ea laser o fihlile ho 16.9 J / cm² (wavelength 1053 nm, bophara ba pulse 1 ns). Wang Xiaodong et al. lokisetsa a filimi e sireletsang ka ho sebelisa resin ea khalase ea polysiloxane. Moeli oa tšenyo ea laser o fihlile ho 28 J / cm² (wavelength 1064 nm, pulse wide 3 ns), le thepa ea optical e ile ea lula e tsitsitse tikolohong e nang le mongobo o phahameng ho feta 90% bakeng sa likhoeli tse 3.

E fapane le kristale ea LN, molemong oa ho hlola tšusumetso ea tlhaho ea tlhaho, kristale ea DKDP hangata e amohela modulation ea longitudinal. Ha lesale electrode sebelisoa, bolelele ba kristale kahlaka tataiso e lokela ho ba kholo ho feta kristale’s bophara, e le ho fumana tšimo ea motlakase e ts'oanang, e ka hona eketsa le ho monya ha bobebe ka kristale le phello ea mocheso e tla lebisa ho depolarization at matla a mahareng a phahameng.

Tlas'a tlhokahalo ea ICF, theknoloji ea ho lokisa, ho e lokisa le ho e sebelisa ea kristale ea DKDP e ntlafalitsoe ka potlako, e leng se etsang hore DKDP electro-optic Q-switches e sebelisoe haholo ho laser therapy, laser aesthetic, laser engraving, laser marking, lipatlisiso tsa saense. le likarolo tse ling tsa tšebeliso ea laser. Leha ho le joalo, bofokoli, tahlehelo e phahameng ea ho kenngoa le ho se khone ho sebetsa ka mocheso o tlaase e ntse e le litšitiso tse thibelang tšebeliso e pharaletseng ea likristale tsa DKDP.

DKDP Pockels cell e entsoeng ke WISOPTIC