| GLASS | THE THICKNESS OF THE MATERIAL | LOWEST PUBLISHED | ESTIMATED NM POINT | ESTIMATED NM POINT | LAST PUBLISHED | ||||||||||
| GENERIC CODE | ORIGIN | THE GENERAL | SOURCE | AVAILABILITY | USED TO GENERATE THE PUBLISHED | TRANSMISSION OCCURRING | WHERE TRANSMISSION | WHERE TRANSMISSION | TRANSMISSION IN | ||||||
| ----- | ------ | ALPHA CODE USED | CATALOG | ------ | NM TRANSMISSION VALUES | IN OR NEAR | APPROACHES "~" 50% | APPROACHES "~" 90% | THE IR SPECTRUM THAT | KNOOP | YIELD | EXPANSION | DENSITY | DENSITY | |
| PER | MANUFACTURER OR | IN THE COUNTRY | DATE | P=PREFERRED/AVAIL. | PROVIDED ON THE | THE UV SPECTRUM | IS 90% OR GREATER | HARDNESS | (DEFORMATION) | COEFFICIENT | GM/CM^3 | LB./IN^3 | |||
| MIL-STD. | COUNTRY | INDICATED OR | FOR THE | EG=ECOLOGICAL | THE REFERENCED LINE | ----- | ----- | ----- | (SEE MFTR. | TEMPERATURE | ( X 10^-7) | ||||
| G-174-B | ------ | AS THE | LINE | H = HISTORICAL | ----- | ----- | ASCENDING FROM OR | ASCENDING FROM UV | DESCENDING FROM UV-VIS, | DESCRIPTION) | DEGREES C | -30 / +70 | |||
| INDICATED | I = INQUIRY | EXCEPTION: "*" INDICATES THAT | "~<"= 1% TRANSMISSION | NEAR THE UV REGION | REGION | & NEAR-IR REGIONS | DEGREES C | ||||||||
| ----- | (SEE MFTR. | MANUFACTURER'S | ----- | NA = NOT AVAILABLE | THE VALUES WERE DERIVED FOR A | IS AT OR BELOW | ----- | ----- | ----- | ||||||
| MIL. CODE=NNNVVV | DESCRIPTION) | TRADEMARK | EXCEPTION: | ----- | HYPOTHETICAL 1MM THICK | NM POINT GIVEN | |||||||||
| ----- | CALCULATED | DERIVED = NOT | MATERIAL USING A | ----- | "~<"= 50% TRANS. PT. | "~<"= 90% TRANS. PT. | "~>"= 90% TRANS. PT. IS | ||||||||
| CONVERSION: | DERIVATION= | THE MANUFACTURER'S | LOGARITHM DENSITY FORMULA. | (XX%) TRANSMISSION | BELOW NM PT. GIVEN- | BELOW NM PT. GIVEN- | BEYOND NM PT. GIVEN- | ||||||||
| nd=1.+NNN | NOT FROM | PUBLISHED VALUES- | HOYA'S SOURCE DATA WAS USED | AT THE | (XX%) TRANS. AT THE | (XX%) TRANS. AT THE | (XX%) TRANS. AT THE | ||||||||
| vd=VV.V | A | HYPOTHETICAL | TO ILLUSTRATE THE THEORETICAL | NM POINT INDICATED | NM POINT INDICATED | NM POINT INDICATED | NM POINT INDICATED | ||||||||
| CATALOG | EFFECTS OF A THICKNESS CHANGE. | SEE | SEE | SEE | SEE | SEE | |||||||||
| *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | DISCLAIMER | DISCLAIMER | DISCLAIMER | DISCLAIMER | DISCLAIMER | |
| 750350 | CHINA | LAF4 | 1996 | H / I | ----- | ----- | ----- | ----- | ----- | 430 | 51 | 4.22 | 0.153 | ||
| 750350 | HOYA CORP. | ELaF7 | DERIVED | HYPOTHETICAL | 1MM* | ----- | ~<350nm (63.1%) | ~374nm | ~>1550nm (99.9%) | 570 | 68 | 3.72 | 0.135 | ||
| 750350 | HOYA CORP. | ELaF7 | 1998 | P/EG | 5MM | ~<350nm (8%) | ~370 | ~398 | ~>1550 (99.8%) | 570 | 68 | 3.72 | 0.135 | ||
| 750350 | HOYA CORP. | LaF7 | DERIVED | HYPOTHETICAL | 1MM* | ------ | ~<350 (74.1%) | ~363 | ~>1550 (99.9%) | 500 | 72 | 4.71 | 0.171 | ||
| 750350 | HOYA CORP. | LaF7 | 1998 | P | 5MM | ~<350 (22%) | ~359 | ~387 | ~>1550 (99.9%) | 500 | 72 | 4.71 | 0.171 | ||
| 750350 | OHARA CORP. | LAM65 | 1990 | H / I | 10MM | ~<350 (15%) | ~361 | ~392 | ~>700 (99.8%) | 480 | 82 | 4.56 | 0.165 | ||
| 750350 | SCHOTT GLASS TECH. | LAFN7 | 2000 | P | 10MM | ~<350 (13%) | ~363 | ~389 | ~>1970 (94.0%) | 520 | ----- | 53 | 4.38 | 0.159 | |
| 750352 | HIKARI GLASS CO. | LAF7 | 2001 | I | 10MM | ~<340(9%) | ~356 | ~390 | ~>2000 (95.7%) | 471 | 540 | ----- | 4.41 | 0.160 | |
| 750353 | OHARA CORP. | LAM7 | 1996 | H / I | 10MM | ~<350 (13%) | ~362 | ~392 | ~>2400 (93.1%) | 470 | 84 | 4.55 | 0.165 | ||
| 750353 | OHARA CORP. | S-LAM7 | 1999 | P/EG | 10MM | ~<360 (8%) | ~376 | ~413 | ~>2200 (95.0%) | 560 | 67 | 3.81 | 0.138 | ||
| 751275 | SCHOTT GLASS TECH. | SF61 | 1992 | H / I | 5MM | ~<365.0 (25%) | ~373 | ~393 | ~>2325.4 (91%) | 340 | ----- | 79 | 4.64 | 0.168 | |
| 751277 | HOYA CORP. | FD41 | 1978 | H / I | 5MM | ----- | ----- | ----- | ----- | 380 | 83 | 4.75 | 0.172 | ||
| 751277 | OHARA CORP. | PBH54 | 1990 | H / I | 10MM | ~<350 (7%) | ~366 | ~400 | ~>1060 (99.9%) | 360 | 82 | 4.73 | 0.171 | ||
| 751278 | BAUSCH & LOMB | ----- | PRE-1979 | NA | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 4.74 | 0.172 | ||
| 752251 | HOYA CORP. | FF8 | DERIVED | HYPOTHETICAL | 1MM* | ----- | ~<370 (82.2%) | ~378 | ~>1550 (99.8%) | 425 | ----- | 3.14 | 0.114 | ||
| 752251 | HOYA CORP. | FF8 | 1998 | P | 5MM | ~<360 (5%) | ~374 | ~400 | ~>1550 (99.2%) | 425 | ----- | 3.14 | 0.114 | ||
| 753531 | EAST GERMANY | SSK11 | PRE 1992 | ACQ. BY SCHOTT | 10MM | ~320 | ~364 | ~410 | ~>1500 (99.9%) | ----- | 52 | 4.50 | 0.163 | ||
| 754524 | SCHOTT GLASS TECH. | LaK33 | 1992 | H / I | 5MM | ~<290 (3%) | ~331 | ~368 | ~>1970.1 (96.0%) | 640 | ----- | 60 | 4.26 | 0.154 | |
| 754524 | SCHOTT GLASS TECH. | NLAK33 | 2000 | EG | 10MM | ~<300 (2%) | ~337 | ~378 | ~1970 (94.0%) | 780 | 60 | 4.26 | 0.154 | ||
| 755251 | OHARA CORP. | TPH55 | 1990 | I | 10MM | ~<370 (3%) | ~385 | ~415 | ~>1060 (99.9%) | 470 | ----- | 3.06 | 0.111 | ||
| 755272 | SCHOTT GLASS TECH. | SFL4 | 1992 | H / I | 5MM | ~<365.0 (28%) | ~371 | ~394 | ~>700 (99.7%) | 580 | 92 | 3.37 | 0.122 | ||
| 755274 | SCHOTT GLASS TECH. | NSF4 | 2000 | P/EG | 10MM | ~<365 (4%) | ~382 | ~420 | ~>2325 (92.0%) | 520 | 95 | 3.15 | 0.114 | ||
| 755275 | CHINA | ZF6 | 1996 | H / I | ----- | ----- | ----- | ----- | ----- | 380 | 76 | 4.78 | 0.173 | ||
| 755275 | EAST GERMANY | SF4 | PRE 1992 | ACQ. BY SCHOTT | 10MM | ~<360 (4%) | ~389 | ~424 | ~>1500 (99.5%) | ----- | 85 | 4.78 | 0.173 | ||
| 755275 | HIKARI GLASS CO. | E-SF4 | 2001 | EG/P | 10MM | ~<370(9%) | ~384 | ~412 | ~>2400(91.5%) | 575 | 622 | ----- | 3.17 | 0.115 | |
| 755275 | HOYA CORP. | EFD4 | DERIVED | HYPOTHETICAL | 1MM* | ----- | ~<360 (63.1%) | ~377 | ~>1550 (99.9%) | 550 | 87 | 3.23 | 0.117 | ||
| 755275 | HOYA CORP. | EFD4 | 1998 | P/EG | 5MM | ~<360 (9%) | ~374 | ~395 | ~>1550 (99.8%) | 550 | 87 | 3.23 | 0.117 | ||
| 755275 | HOYA CORP. | FD4 | DERIVED | HYPOTHETICAL | 1MM* | ----- | ~<350 (70.4%) | ~362 | ~>1550 (99.9%) | 380 | 77 | 4.78 | 0.173 | ||
| 755275 | HOYA CORP. | FD4 | 1998 | P | 5MM | ~350 (17%) | ~359 | ~384 | ~>1550 (99.8%) | 380 | 77 | 4.78 | 0.173 | ||
| 755275 | OHARA CORP. | PBH4 | 1990 | I | 10MM | ~<350 (5%) | ~367 | ~398 | ~>1060 (99.9%) | 350 | 79 | 4.78 | 0.173 | ||
| 755275 | OHARA CORP. | PBH4W | ---- | I | ------ | ---- | ---- | ----- | ----- | ----- | ---- | ------- | ----- | ||
| 755275 | OHARA CORP. | S-TIH4 | 1996 | P/EG | 10MM | ~<370 (12%) | ~382 | ~415 | ~>2400 (94.2%) | 570 | 85 | 3.15 | 0.114 | ||
| 755275 | RUSSIA | C349 | PRE 1992 | H / I | 10MM | ~<360 (6.3%) | ~383 | ~420 | ~>1500 (99.5%) | ----- | 78 | 4.77 | 0.173 | ||
| 755276 | CORNING-FRANCE | D56-27 | 1991 | P | 10MM | ~350 | ~380 | ~406 | ~>1800 (98.6%) | ----- | 549 | 74 | 4.70 | 0.170 | |
| 755276 | PILKINGTON OPTICAL | DEDF755276 | 1990 | H / I | 10MM | ~<360 (41.2%) | ~365 | ~399 | ~>1000 (99.8%) | 360 | 84 | 4.79 | 0.173 | ||
| 755276 | PILKINGTON OPTICAL | DEDF755276A | 2002 | EG | 5MM | ----- | ~<360 (63.5%) | ~382 | ~>2200.0 (96.7%) | 365 | 82 | 4.79 | 0.173 | ||
| 755276 | SCHOTT GLASS TECH. | SF4 | 2000 | P | 10MM | ~<350 (9%) | ~362 | ~387 | ~>1970 (96.3%) | 390 | ----- | 80 | 4.79 | 0.173 | |
| 755523 | HIKARI GLASS CO. | E-LASKH2 | 2001 | EG/P | 10MM | ~<300(7%) | ~321 | ~356 | ~>2200(90%) | 678 | 698 | ----- | 4.29 | 0.155 | |
| 755523 | HOYA CORP. | TaC6 | DERIVED | HYPOTHETICAL | 1MM* | ----- | ~<280 (63.1%) | ~327 | ~>1550 (99.9%) | 760 | ----- | 4.27 | 0.155 | ||
| 755523 | HOYA CORP. | TaC6 | 1998 | P | 5MM | ~<280 (8%) | ~318 | ~363 | ~>1550 (99.7%) | 760 | ----- | 4.27 | 0.155 | ||
| 755523 | OHARA CORP. | S-YGH51 | 1996 | P/EG | 10MM | ~<280 (3%) | ~322 | ~364 | ~>2000 (95.8%) | 720 | 58 | 4.40 | 0.159 | ||
| 755523 | OHARA CORP. | YGH51 | 1990 | H / I | 10MM | ~<310 (3%) | ~345 | ~384 | ~>700 (99.7%) | 720 | 58 | 4.40 | 0.159 | ||
| 756412 | RUSSIA | C270 | PRE 1992 | H / I | 10MM | ~<360 (26.6%) | ~372 | ~415 | ~>1500 (99.6%) | ----- | 65 | 4.47 | 0.162 | ||
| 757317 | HIKARI GLASS CO. | LAF11 | 2001 | I | 10MM | ~<3690(12%) | ~372 | ~394 | ~>2200 (90%) | 426 | 526 | ----- | 4.58 | 0.166 | |
| 757317 | SCHOTT GLASS TECH. | LaF11A | 1992 | I | 5MM | ~<334.1 (3%) | ~354 | ~385 | ~>1970.1 (98.5%) | 390 | 567 | 55 | 4.60 | 0.167 | |
| 757318 | HIKARI GLASS CO. | E-LAF11 | 2001 | EG/P | 10MM | ~<360(8%) | ~373 | ~403 | ~>200(91.1%) | 539 | 627 | ----- | 3.52 | 0.127 | |
| 757318 | HOYA CORP. | NbFD9 | 1978 | H / I | 5MM | ~<360 (9%) | ~385 | ~410 | ~>700 (99.9%) | 510 | ----- | 4.22 | 0.153 | ||
| 757363 | HOYA CORP. | NbFD6 | 1978 | H / I | 5MM | ~<350 (13%) | ~365 | ~400 | ~>700 (99.9%) | 485 | ---- | 4.75 | 0.172 | ||
| 757477 | HOYA CORP. | NbF2 | DERIVED | HYPOTHETICAL | 1MM* | ----- | ~<310 (72.5%) | ~328 | ~>1550 (99.9%) | 705 | 53 | 4.25 | 0.154 | ||
| 757477 | HOYA CORP. | NbF2 | 1998 | P | 5MM | ~<310 (20%) | ~323 | ~360 | ~>1550 (99.7%) | 705 | 53 | 4.25 | 0.154 | ||
| 757478 | CHINA | LAF6 | 1996 | H / I | ----- | ----- | ----- | ----- | ----- | 680 | 56 | 4.24 | 0.154 | ||
| 757478 | HIKARI GLASS CO. | E-LAF04 | 2001 | EG/P | 10MM | ~<330(1%) | ~353 | ~387 | ~>2000(95.7%) | 645 | 676 | ----- | 4.08 | 0.148 | |
| 757478 | OHARA CORP. | LAM54 | 1990 | H / I | 10MM | ~<340 (5%) | ~356 | ~384 | ~>700 (99.8%) | 700 | 57 | 4.08 | 0.148 | ||
| 757478 | OHARA CORP. | S-LAM54 | 1996 | P/EG | 10MM | ~<340 (5%) | ~355 | ~379 | ~>2000 (95.4%) | 700 | 57 | 4.08 | 0.148 | ||
| 757478 | SCHOTT GLASS TECH. | LaFN24 | 1992 | I | 5MM | ~<334.1 (28%) | ~342 | ~368 | ~>1970.1 (97.7%) | 630 | 723 | 54 | 4.04 | 0.146 | |
| 762265 | CHINA | ZF12 | 1996 | H / I | ----- | ----- | ----- | ----- | ----- | 405 | 78 | 4.64 | 0.168 | ||
| 762265 | EAST GERMANY | SF14 | PRE 1992 | ACQ. BY SCHOTT | 10MM | ~380 | ~408 | ~434 | ~>1500 (99.5%) | ----- | 67 | 4.55 | 0.165 | ||
| 762265 | OHARA CORP. | S-TIH14 | 1996 | P/EG | 10MM | ~<370 (10%) | ~383 | ~413 | ~>2400 (94.2%) | 550 | 87 | 3.17 | 0.115 | ||
| 762265 | OHARA CORP. | TIH14 | 1990 | I | 10MM | ~<370 (15%) | ~379 | ~412 | ~>700 (99.2%) | 540 | 87 | 3.17 | 0.115 | ||
| 762265 | PILKINGTON OPTICAL | DEDF762265 | 1990 | H / I | 10MM | ----- | ----- | ----- | ----- | 420 | 68 | 4.55 | 0.165 | ||
| 762265 | PILKINGTON OPTICAL | DEDF762265A | 2002 | EG | 5MM | ----- | ~<390 (60.8%) | ~412 | ~>2200.0 (96.7%) | 411 | 67 | 4.55 | 0.165 | ||
| 762265 | SCHOTT GLASS TECH. | SF14 | 2000 | P | 10MM | ~<380 (4%) | ~397 | ~423 | ~>1970 (96.7%) | 430 | ----- | 66 | 4.54 | 0.164 | |
| 762266 | HIKARI GLASS CO. | E-SF14 | 2001 | EG/P | 10MM | ~<370(8%) | ~384 | ~419 | ~>2200(92.6%) | 548 | 630 | ----- | 3.16 | 0.114 | |
| 762266 | HOYA CORP. | FD14 | DERIVED | HYPOTHETICAL | 1MM* | ----- | ~<360 (63.1%) | ~386 | ~>1550 (99.9%) | 405 | 81 | 4.64 | 0.168 | ||
| 762266 | HOYA CORP. | FD14 | 1998 | P | 5MM | ~<360 (9%) | ~382 | ~405 | ~>1550 (99.8%) | 405 | 81 | 4.64 | 0.168 | ||
| 762266 | HOYA CORP. | FD140 | DERIVED | HYPOTHETICAL | 1MM* | ----- | ~<370 (80.2%) | ~378 | ~>1550 (99.9%) | 585 | 84 | 3.25 | 0.118 | ||
| 762266 | HOYA CORP. | FD140 | 1998 | P | 5MM | ~<370 (32%) | ~375 | ~395 | ~>1550 (99.7%) | 585 | 84 | 3.25 | 0.118 | ||
| 762266 | OHARA CORP. | PBH14 | 1990 | I | 10MM | ~<380 (7%) | ~394 | ~420 | ~>700 (99.6%) | 390 | 71 | 4.55 | 0.165 | ||
| 762266 | OHARA CORP. | PBH14W | ---- | I | ----- | ---- | ---- | -------- | ----- | ----- | ------ | ---- | ----- | ||
| 762269 | CORNING-FRANCE | D62-27 | 1991 | P | 10MM | ~<360 (10.0%) | ~379 | ~401 | ~>1800 (98.6%) | ----- | 558 | 74 | 4.80 | 0.174 | |
| 762269 | HOYA CORP. | FDS5 | 1978 | H / I | 5MM | ----- | ----- | ----- | ----- | 385 | 80 | 4.73 | 0.171 | ||
| 762270 | SCHOTT GLASS TECH. | SF55 | 1992 | I | 5MM | ~<365.0 (20%) | ~373 | ~392 | ~>2325.4 (94%) | 330 | ----- | 82 | 4.72 | 0.171 | |
| 762271 | OHARA CORP. | PBH25 | 1990 | I | 10MM | ~360 | ~380 | ~414 | ~>1060 (99.9%) | 370 | 75 | 4.79 | 0.173 | ||
| 762271 | OHARA CORP. | PBH25W | ----- | I | ------ | ------ | ---- | ---- | ---- | ---- | ----- | ---- | ----- | ||
| 762401 | HIKARI GLASS CO. | E-LAF05 | 2001 | EG/P | 10MM | ~<330(3%) | ~347 | ~377 | ~>700(99.9%) | 406 | 653 | ----- | 3.94 | 0.143 | |
| 762401 | OHARA CORP. | LAM55 | 1990 | H / I | 10MM | ~<350 (7%) | ~364 | ~395 | ~>1060 (99.7%) | 500 | 73 | 4.22 | 0.153 | ||
| 762401 | OHARA CORP. | S-LAM55 | 1996 | P/EG | 10MM | ~<350 (6%) | ~364 | ~392 | ~>2200 (92.3%) | 550 | 71 | 4.22 | 0.153 | ||
| 762403 | HOYA CORP. | NbFD5 | 1978 | H / I | 5MM |