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Glass material is the most common type because of its excellent optical properties such as high light transmission and environmental stability. There are many types of glass materials suitable for making optical components. The following "glass map" shows the commercially available glasses from Chinese glass manufacturer:



The specific selection depends on the optical performance requirement, environmental suitability, ease of fabrication and cost. The main characteristics of an optical material are represented by its refractive index (Nd) and its dispersion index (Abbe number).

You may need specific information when selecting the material for a custom component. The data in the following is intended to assist in these situations The simplest way to select the right materials is to let Rising EO know your applications, and our engineers would like to help you to select the right material from Chinese glass. Hereby you can see the ＾Contrast Table￣ within the glass manufacturer of China, Schott, Hoya and Ohara´ More details please tape the key-press to see it.

Contrast Table
CODE
nd
vd
CHINESE
SCHOTT
OHARA
HOYA
QK series type
470668 1.47047 66.83 H-QK1 FK1 FSL1 FC1
487700 1.48746 70.04 H-QK3 　 　 　
487704 1.48749 70.44 H-QK3L N-FK5 S-FSL5 FC5
K series type
500621 1.49967 62.07 K1 K11 　 　
500660 1.50047 66.02 H-K2 BK4 BSL4 BSC4
505647 1.50463 64.72 H-K3 BK5 　 　
508611 1.50802 61.05 K4A ZKN7 ZSL7 ZNC7
510634 1.51007 63.36 H-K5 BK1 BSL1 BSC1
511605 1.51112 60.46 H-K6 K7 NSL7 C7
515606 1.51478 60.63 H-K7 　 　 　
516568 1.51602 56.79 K8 　 NSL2 C2
516642 1.51680 64.20 H-K9L N-BK7 S-BSL7 BSC7
518590 1.51818 58.95 H-K10 　 S-NSL3 E-C3
526602 1.52638 60.61 H-K11 BALK1 NSL21 BACL1
534555 1.53359 55.47 H-K12 ZK5 ZSL5 ZNC5
519617 1.51878 61.69 H-K16 　 　 BACL3
522595 1.52249 59.48 H-K50 N-K5 S-NSL5 C5
523586 1.52307 58.64 H-K51 B270 NSL51 C12
BaK series type
530605 1.53028 60.47 H-BaK1 　 　 　
540597 1.53996 59.72 H-BaK2 N-BAK2 S-BAL12 BAC2
547628 1.54678 62.78 H-BaK3 　 BAL21 　
552634 1.55248 63.36 H-BaK4 N-PSK3 BAL23 PCD3
561583 1.56069 58.34 BaK5 　 　 　
564608 1.56388 60.76 H-BaK6 N-SK11 S-BAL41 BACD11
569560 1.56883 56.04 H-BaK7 N-BAK4  S-BAL14 BAC4
573575 1.57250 57.49 H-BaK8 N-BAK1 S-BAL11 BAC1
574565 1.57444 56.45 BaK9 BAK6 BAL16 BAC6
560612 1.55963 61.21 BaK11 SK20 BAL50 　
ZK series type
569629 1.56888 62.93 H-ZK1 PSK2 BAL22 PCD2
583595 1.58313 59.46 H-ZK2 SK12 S-BAL42 BACD12
589613 1.58913 61.25 H-ZK3 N-SK5 S-BAL35 BACD5
609589 1.60881 58.86 H-ZK4 SK3 BSM3 BACD3
611558 1.61117 55.77 ZK5 SK8 BSM8 BACD8
613586 1.61272 58.58 H-ZK6 N-SK4 S-BSM4 BACD4
613606 1.61309 60.58 H-ZK7 　 　 　
614551 1.61405 55.12 ZK8 SK9 BSM9 BACD9
620603 1.62041 60.34 H-ZK9 N-SK16 S-BSM16 BACD16
622567 1.62280 56.71 H-ZK10 N-SK10 S-BSM10 E-BACD10
639555 1.63854 55.45 H-ZK11 N-SK19 S-BSM18 BACD18
603606 1.60311 60.60 H-ZK14 N-SK14 S-BSM14 BACD14
607595 1.60729 59.46 H-ZK15 SK7 BSM7 BACD7
614564 1.61375 56.40 H-ZK19 SK6 BSM6 BACD6
617539 1.61720 53.91 H-ZK20 SSK1 BSM21 BACED1
623581 1.62299 58.12 H-ZK21 N-SK15 S-BSM15 BACD15
607567 1.60738 56.65 H-ZK50 SK2 BSM2 BACD2
618551 1.61765 55.14 ZK51 SSK4 BSM24 BACED4

CODE
nd
vd
CHINESE
SCHOTT
OHARA
HOYA
LaK series type
660574 1.65950 57.35 H-LaK1 LAK11 LAL11 LAC11
692545 1.69211 54.54 H-LaK2 N-LAK9 S-LAL9 LAC9
747510 1.74693 50.95 H-LaK3 　 　 　
641601 1.64000 60.20 H-LaK4L N-LAK21 S-BSM81 LACL60
678555 1.67790 55.52 H-LaK5 N-LAK12 S-LAL12 LAC12
678555 1.67790 55.52 H-LaK5A N-LAK12 S-LAL12 LAC12
694534 1.69350 53.38 H-LaK6 LAKN13 S-LAL13 LAC13
713538 1.71300 53.83 H-LaK7 N-LAK8 S-LAL8 LAC8
720503 1.72000 50.34 H-LaK8A N-LAK10 LAL10 LAC10
651559 1.65113 55.89 LaK10 N-LAK22 LAL54 LACL2
697562 1.69680 56.18 H-LaK12 LAK24 LAL64 　
652584 1.65160 58.40 H-LaK50 N-LAK7 S-LAL7 LAC7
652584 1.65160 58.40 H-LaK50A N-LAK7 S-LAL7 LAC7
697555 1.69680 55.53 H-LaK51 N-LAK14 S-LAL14 LAC14
729547 1.72916 54.68 H-LaK52 N-LAK34 S-LAL18 TaC8
755523 1.75500 52.32 H-LaK53 N-LAK33 S-YGH51  TaC6
755523 1.75500 52.32 H-LaK53A N-LAK33 S-YGH51  TaC6
734515 1.73400 51.49 H-LaK54 　 S-LAL59 TaC4
KF series type
501572 1.50058 57.21 KF1 K10 FTL10 C10
515545 1.51539 54.48 KF2 KF3 NSL33 CF3
526510 1.52629 51.00 KF3 KF2 NSL32 CF2
517522 1.51742 52.31 KF6 KF6 NSL36 CF6
　 　 　 H-KF6 　 　 　
QF series type
<548459 1.54811 45.87 QF1 LLF1 PBL1 FEL1
548458 1.54814 45.82 H-QF1 N-LLF1 S-TIL1 E-FEL1
561468 1.56091 46.78 QF2 LLF3 PBL3 FEL3
575413 1.57502 41.31 QF3 LF7 PBL27 FL7
582420 1.58215 42.03 QF5 LF3 PBL23 FL3
532488 1.53172 48.76 QF6 LLF6 PBL6 FEL6
532488 1.53172 48.84 H-QF6 N-LLF6 S-TIL6 E-FEL6
541472 1.54072 47.20 QF8 LLF2 PBL2 FEL2
561452 1.56138 45.24 QF9 LLF4 PBL4 FEL4
578411 1.57842 　 QF11 LF4 PBL24 FL4
596392 1.59551 39.18 QF14 F8 PBM8 F8
581409 1.58144 40.89 H-QF50 N-LF5 S-TIL25 E-FL5
581409 1.58144 40.89 QF50 LF5 PBL25 FL5
581409 1.58144 40.89 UQF50 ULF5 　 　
F series type
603380 1.60342 38.01 F1 F5 PBM5 F5
603380 1.60342 38.01 H-F1 　 F-TIM5 E-F5
613370 1.61293 36.96 F2 F3 PBM3 F3
617366 1.61659 36.61 F3 F4 PBM4 F4
620364 1.62005 36.35 F4 F2 PBM2 F2
620364 1.62005 36.35 H-F4 N-F2 S-TIM2 E-F2
624359 1.62435 35.92 F5 　 PBM11 　
625356 1.62495 35.57 F6 F7 　 F7
636354 1.63636 35.35 F7 F6 PBM6 F6
624368 1.62364 36.81 F12 F10 PBM10 　
626357 1.62588 35.70 F13 F1 PBM1 F1
640346 1.63890 34.57 F51 SF7 PBM27 FD7

CODE
nd
υd
CHINESE
SCHOTT
OHARA
HOYA
BaF series type
548540 1.54809 53.95 BaF1 BALF5 BAL5 　
570495 1.56970 49.45 BaF2 BAF2 BAM2 BaF2
580539 1.57960 53.87 BaF3 BALF4 BAL4 BAFL4
H-BaF3 series type
583465 1.58271 46.47 BaF4 BaF3 BAM3 BaF3
606439 1.60562 43.88 BaF5 BaF4 BAM4 BaF4
608462 1.60801 46.21 BaF6 BAF52 　 BAF7
614400 1.61413 40.03 BaF7 　 　 　
626391 1.62604 39.10 BaF8 BASF1 BAM21 BAFD1
603425 1.60323 42.48 BaF51 BASF5 　 BAFD5
571530 1.57135 53.97 H-BaF53 　 S-BAL3