| 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 DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | *SEE DISCLAIMER* | DISCLAIMER | DISCLAIMER | *SEE DISCLAIMER* | DISCLAIMER | DISCLAIMDER | |
| 434950 | SCHOTT GLASS TECH. | NFK56 | 1992 | EG | 10MM | ~260nm | ~308nm | ~334nm | ~>1970nm (99.2%) | 350 | ---- | 3.54 | 0.128 | ||
| 437907 | SCHOTT GLASS TECH. | FK54 | 1992 | I | 5MM | ~<280 (35%) | ~290 | ~325 | ~>2500 (99.8%) | 390 | ----- | 146 | 3.18 | 0.115 | |
| 438950 | OHARA CORP. | FPL53 | 1990 | H / I | 10MM | ~<300 (4%) | ~324 | ~349 | ~>1060 (99.3%) | 360 | 142 | 3.63 | 0.131 | ||
| 439950 | OHARA CORP. | S-FPL53 | 1990 | P/EG | 10MM | ~<280 (2%) | ~314 | ~340 | ~>2400 (99.4%) | 360 | 142 | 3.63 | 0.131 | ||
| 440688 | RUSSIA | C001 | PRE 1992 | H / I | 10MM | ~<300 (46.4%) | ~302 | ~336 | ~>1500 (97.5%) | ----- | 111 | 2.33 | 0.084 | ||
| 456903 | OHARA CORP. | S-FPL52 | 1996 | P/EG | 10MM | ~290 | ~323 | ~349 | ~>2400 (99.7%) | 370 | 124 | 3.55 | 0.129 | ||
| 457908 | HOYA CORP. | FCD10 | 1978 | H / I | 5MM | ----- | ----- | ----- | ----- | 360 | 163 | 3.63 | 0.131 | ||
| 465657 | CORNING-FRANCE | A63-65 | 1991 | P | 10MM | ~<290 (4%) | ~324 | ~357 | ~>1000 (98.5%) | ----- | 622 | 78 | 2.25 | 0.081 | |
| 465657 | EAST GERMANY | FK3 | PRE 1992 | ACQ. BY SCHOTT | 10MM | ~<320 (12.0%) | ~317 | ~372 | ~>1500(99.9%) | ----- | 89 | 2.28 | 0.083 | ||
| 465658 | HOYA CORP. | FC3 | 1978 | H / I | 5MM | ----- | ------ | ----- | ----- | 395 | 87 | 2.27 | 0.082 | ||
| 465658 | SCHOTT GLASS TECH. | FK3 | 1992 | I | 5MM | ~290 | ~316 | ~346 | ~>1970.1 (98.5%) | 380 | 622 | 82 | 2.27 | 0.082 | |
| 465659 | OHARA CORP. | FSL3 | 1990 | I | 10MM | ~<300 (6%) | ~323 | ~354 | ~>700 (99.8%) | 340 | 79 | 2.25 | 0.081 | ||
| 470668 | CHINA | QK1 | 1996 | H / I | ----- | ----- | ----- | ----- | ----- | 395 | 75 | 2.30 | 0.083 | ||
| 470668 | RUSSIA | C007 | PRE 1992 | H / I | 10MM | ~<320 (47.8%) | ~321 | ~351 | ~>1500 (99.0%) | ----- | 80 | 2.30 | 0.083 | ||
| 471673 | HOYA CORP. | FC1 | 1978 | H / I | 5MM | ----- | ----- | ----- | ----- | 415 | 87 | 2.30 | 0.083 | ||
| 471673 | SCHOTT GLASS TECH. | FK1 | 1992 | H / I | 5MM | ~280 | ~303 | ~328 | ~>2325.4 (91%) | 370 | 641 | 84 | 2.31 | 0.084 | |
| 471674 | OHARA CORP. | FSL1 | 1990 | H / I | 10MM | ~<290 (10%) | ~304 | ~328 | ~>1060 (99.9%) | 450 | 81 | 2.32 | 0.084 | ||
| 471685 | RUSSIA | C011 | PRE 1992 | H / I | 10MM | ~<280 (27.9%) | ~289 | ~315 | ~>1500 (97.1%) | ----- | 54 | 2.32 | 0.084 | ||
| 477700 | CHINA | QK3 | 1996 | H / I | ----- | ----- | ----- | ----- | ----- | 495 | 88 | 2.46 | 0.089 | ||
| 478656 | CHINA | QK2 | 1996 | H / I | ----- | ----- | ----- | ----- | ----- | ----- | 33 | 2.27 | 0.082 | ||
| 478656 | RUSSIA | C005 | PRE 1992 | H / I | 10MM | ~<320 (14.1%) | ~336 | ~375 | ~>1500 (99.2%) | ----- | 33 | 2.27 | 0.082 | ||
| 479587 | SCHOTT GLASS TECH. | TiK1 | 1992 | H / I | 5MM | ~<300 (2%) | ~342 | ~388 | ~>700 (99.8%) | 330 | ----- | 103 | 2.39 | 0.087 | |
| 483663 | RUSSIA | C009 | PRE 1992 | H / I | 10MM | ~<300 (39.0%) | ~316 | ~353 | ~>1500 (99.4%) | ----- | 40 | 2.30 | 0.083 | ||
| 486818 | CHINA | FK1 | 1996 | H / I | ----- | ----- | ----- | ----- | ----- | 355 | 130 | 3.57 | 0.129 | ||
| 486818 | CORNING-FRANCE | A86-82 | 1991 | NA | 10MM | ~<301 (11%) | ~310 | ~344 | ~>700 (99.8%) | 390 | ----- | ----- | 3.51 | 0.127 | |
| 486818 | SCHOTT GLASS TECH. | FK52 | 1992 | I | 5MM | ~300 | ~324 | ~349 | ~>2500.0 (97.2%) | 400 | ----- | 144 | 3.64 | 0.132 | |
| 487700 | EAST GERMANY | FK5 | PRE 1992 | ACQ. BY SCHOTT | 10MM | ~<300 (7%) | ~317 | ~356 | ~>1500 (99.4%) | ----- | 85 | 2.45 | 0.089 | ||
| 487700 | RUSSIA | C002 | PRE 1992 | H / I | 10MM | ~<300 (34.8%) | ~307 | ~337 | ~>1500 (99.4%) | ----- | 86 | 2.46 | 0.089 | ||
| 487702 | OHARA CORP. | FSL5 | 1990 | H / I | 10MM | ~<280 (7%) | ~295 | ~317 | ~>1060 (99.9%) | 520 | 90 | 2.46 | 0.089 | ||
| 487702 | OHARA CORP. | S-FSL5 | 1996 | P/EG | 10MM | ~<280 (13%) | ~292 | ~311 | ~>2000 (97.1%) | 520 | 90 | 2.46 | 0.089 | ||
| 487704 | CORNING-FRANCE | A87-70 | 1991 | P | 10MM | ~<280 (4.5%) | ~295 | ~313 | ~>1800 (97.8%) | ----- | 672 | 86 | 2.43 | 0.088 | |
| 487704 | HIKARI CORP. | E-FK5 | 2001 | EG/P | 10MM | ~<280(23%) | ~288 | ~307 | ~>700(99.9%) | ---- | 557 | ----- | 2.45 | 0.089 | |
| 487704 | HOYA CORP. | FC5 | DERIVED | HYPOTHETICAL | 1MM* | ----- | ~<280 (80.9 %) | ~288 | ~>1550 (99.9%) | 525 | 94 | 2.45 | 0.089 | ||
| 487704 | HOYA CORP. | FC5 | 1998 | P | 5MM | ~<280(35%) | ~<290(66%) | ~305(90%) | ~>1550(99.6%) | 525 | 94 | 2.45 | 0.089 | ||
| 487704 | SCHOTT GLASS TECH. | FK5 | 1992 | H / I | 5MM | ~<280 (38%) | ~284 | ~304 | ~>1970.1 (98.0%) | 520 | 672 | 92 | 2.45 | 0.089 | |
| 487704 | SCHOTT GLASS TECH. | NFK5 | 1992 | EG | 10MM | ~<260 (7%) | ~281 | ~302 | ~>1970 (96.7%) | 520 | 92 | 2.45 | 0.089 | ||
| 487844 | CORNING-FRANCE | A87-84 | 1991 | NA | 10MM | ~<290 (6.3%) | ~317 | ~354 | ~>1000 (99.6%) | 385 | ----- | ----- | 3.61 | 0.131 | |
| 487845 | CHINA | FK2 | 1996 | H / I | ----- | ----- | ----- | ----- | ----- | 355 | 131 | 3.75 | 0.136 | ||
| 487845 | SCHOTT GLASS TECH. | FK51 | 1992 | H / I | 5MM | ~<310 (20%) | ~325 | ~349 | ~>1970.1 (97.3%) | 430 | ----- | 133 | 3.73 | 0.135 | |
| 487845 | SCHOTT GLASS TECH. | NFK51 | 1992 | EG | 10MM | ~<280 (6%) | ~314 | ~343 | 2325 (93.0%) | 430 | 133 | 3.73 | 0.135 | ||
| 487845 | SCHOTT GLASS TECH. | ULTRAN20 | 1992 | H / I | 5MM | ----- | ~<250 (85%) | ~263 | ~>2325.4 (99.9%) | 420 | 130 | 3.69 | 0.134 | ||
| 488658 | CORNING-FRANCE | A88-66 | 1991 | P | 10MM | ~<280 (9.5%) | ~301 | ~326 | ~>1800 (98.1%) | ----- | 715 | 43 | 2.28 | 0.083 | |
| 490651 | RUSSIA | C004 | PRE 1992 | H / I | 10MM | ~<300 (14.3%) | ~314 | ~339 | ~>1500 (98.2%) | ----- | 50 | 2.33 | 0.084 | ||
| 494661 | EAST GERMANY | BK9 | PRE 1992 | ACQ. BY SCHOTT | 10MM | ~300 | ~327 | ~328 | ~>1500 (97.8%) | ----- | 66 | 2.34 | 0.085 | ||
| 497816 | HIKARI CORP. | E-FK01 | 2001 | EG/P | 10MM | ~<280(1%) | ~314 | ~340 | ~>2400(99.1%) | 340 | 498 | ----- | 3.64 | 0.132 | |
| 497816 | HOYA CORP. | FCD1 | DERIVED | HYPOTHETICAL | 1MM* | ------- | ~<280 (82.2%) | ~305 | ~>1550 (99.9%) | 345 | 133 | 3.70 | 0.134 | ||
| 497816 | HOYA CORP. | FCD1 | 1998 | P | 5MM | ~<280(38%) | ~300(50%) | ~300(52%) | ~>332(90%) | 345 | 133 | 3.70 | 0.134 | ||
| 497816 | OHARA CORP. | FPL51 | 1990 | H / I | 10MM | ~<300 (2%) | ~328 | ~354 | ~>1060 (99.7%) | 400 | 127 | 3.60 | 0.130 | ||
| 497816 | OHARA CORP. | S-FPL51 | 1996 | P/EG | 10MM | ~280 | ~318 | ~345 | ~>2400 (99.2%) | 350 | 133 | 3.63 | 0.131 | ||
| 497816 | SCHOTT GLASS TECH. | NPK52 | 1992 | EG | 10MM | ~280 | ~318 | ~346 | ~>2500 (98.0%) | 370 | 138 | 3.77 | 0.137 | ||
| 498650 | OHARA CORP. | BSL3 | 1990 | I | 10MM | ~<290 (9%) | ~307 | ~333 | ~>1060 (99.9%) | 470 | 58 | 2.36 | 0.085 | ||
| 498651 | EAST GERMANY | BK3 | PRE 1992 | ACQ. BY SCHOTT | 10MM | ~<320 (25.4%) | ~331 | ~360 | ~>1500 (98.8%) | ----- | 61 | 2.37 | 0.086 | ||
| 498651 | HOYA CORP. | BSC3 | 1978 | H / I | 5MM | ~<280 (3%) | ~300 | ~330 | ~>700 (99.9%) | 590 | 59 | 2.37 | 0.086 | ||
| 498651 | SCHOTT GLASS TECH. | BK3 | 1992 | I | 5MM | ~<280 (4%) | ~300 | ~332 | ~>700 (99.8%) | 560 | 727 | 53 | 2.37 | 0.086 | |
| 498668 | OHARA CORP. | BSL10 | 1990 | H / I | 10MM | ~<280 (2%) | ~300 | ~326 | ~>700 (99.9%) | 570 | 59 | 2.41 | 0.087 | ||
| 498670 | BAUSCH & LOMB | ----- | PRE-1979 | NA | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 2.44 | 0.088 | ||
| 498670 | SCHOTT GLASS TECH. | BK10 | 1992 | H / I | 5MM | ~<280 (10%) | ~293 | ~314 | ~>700 (99.9%) | 560 | 753 | 58 | 2.39 | 0.087 | |
| 498670 | SCHOTT GLASS TECH. | NBK10 | 1992 | P/EG | 10MM | ~270 | ~243 | ~314 | ~>1970 (98.0 %) | 560 | 58 | 2.39 | 0.087 | ||
| 498825 | HIKARI CORP. | E-FKH1 | 2001 | EG/P | 10MM | ~<290 (1%) | ~325 | ~349 | ~>2200 (99.1%) | ---- | 512 | ----- | 3.87 | 0.140 |
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