N-BK7 bụ borosilicate okpueze ngwa anya iko ọtụtụ-eji na anya na NIR ụdịdị dị iche iche, ọ na-a na-ahọrọ mgbe ọ bụla ọzọ uru nke UV fused silica (ie, ezi nnyefe n'ihu n'ime UV na a ala ọnụọgụ nke thermal mgbasa) adịghị mkpa. Anyị na-adabara iji ihe ndị China dakọtara CDGM H-K9L dochie N-BK7.
Paralight Optics na-enye N-BK7 (CDGM H-K9L) lenses Bi-Convex na nhọrọ nke ma ọ bụ mkpuchi mkpuchi mkpuchi ma ọ bụ ihe mgbochi anyị (AR), nke na-ebelata ọkụ ọkụ na-egosipụta site na elu ọ bụla nke oghere. Ebe ọ bụ na ihe dị ka 4% nke ọkụ ihe merenụ na-egosipụta n'elu nke ọ bụla nke mpempe akwụkwọ na-enweghị mkpuchi, ntinye nke mkpuchi mkpuchi multi-layer AR na-arụ ọrụ dị elu na-eme ka mgbasa ozi dịkwuo mma, nke dị mkpa na ngwa ọkụ dị ala, ma na-egbochi mmetụta ndị na-adịghị mma (dịka ọmụmaatụ. onyonyo mmụọ) jikọtara ya na ọtụtụ ntụgharị uche. Inwe optics na mkpuchi AR kachasị mma maka ụdị dị iche iche nke 350 - 700 nm, 650 - 1050 nm, 1050 - 1700 nm echekwara n'elu abụọ ahụ. Nke a mkpuchi na-ebelata nke ukwuu elu reflectivity nke mkpụrụ ihe na-erughị 0,5% kwa elu, na-enye a elu nkezi nnyefe gafee dum AR mkpuchi nso maka akụkụ nke omume (AOL) n'etiti 0 ° na 30 ° (0.5 NA), N'ihi na optics zubere. a ga-eji mee ihe na nnukwu akụkụ ihe omume, tụlee iji mkpuchi omenala kachasị mma na akụkụ 45 °; mkpuchi omenala a na-arụ ọrụ site na 25 ° ruo 52 °. Ihe mkpuchi brọdband nwere ụdị nnabata nke 0.25%. Lelee eserese ndị a maka ntụnyere aka gị.
CDGM H-K9L
330 nm - 2.1 μm (Enweghị mkpuchi)
Ekpuchighị ma ọ bụ jiri mkpuchi AR ma ọ bụ eriri laser V- mkpuchi nke 633nm, 780nm ma ọ bụ 532/1064nm
Ọ dị site na 10.0 mm ruo 1.0 m
Maka ojiji na Finite Conjugates
Kwesịrị ekwesị maka ọtụtụ ngwa onyonyo zuru oke
Ihe eji eme ihe
N-BK7 (CDGM H-K9L)
Ụdị
Igwe oghere Plano-Convex (PCV).
Ndekọ ntụgharị uche (nd)
1.5168
Nọmba Abbe (Vd)
64.20
Ọnụ ego Mgbasawanye okpomọkụ (CTE)
7.1 x10-6/ ℃
Nkwadebe dayameta
Nkenkenke: +0.00/-0.10mm | Elu nkenke: +0.00/-0.02mm
Ọkpụrụkpụ ndidi
Nkenkenke: +/-0.10 mm | Oke nkenke: +/- 0.02 mm
Nkwenye Ogologo Focal
+/- 1%
Ogo elu (nyocha-igwu)
Nkọwa: 60-40 | Elu nkenke: 40-20
Ọdịmma dị elu (akụkụ Plano)
λ/4
Ike dị n'elu okirikiri (akụkụ convex)
3 λ/4
Ọdịghị mma nke elu (Olu ruo Ndagwurugwu)
λ/4
Center
Nkenkenke:<3 arcmin | Nkọwa dị elu: <30 arcs
Kpochapụ oghere
90% nke dayameta
Oke mkpuchi AR
Lee nkọwa n'elu
Mbufe gafere oke mkpuchi (@ 0° AOI)
Tavg> 92% / 97% / 97%
Ntụgharị uche n'elu oke mkpuchi mkpuchi (@ 0° AOI)
Ravg<0.25%
Chepụta ogologo ogologo
587.6 nm
Oke mmebi nke laser
> 7.5 J/cm2(10ns, 10Hz, @ 532nm)