KR102034362B1 - 도핑 최적화된 최저 감쇠 단일모드 광섬유 - Google Patents
도핑 최적화된 최저 감쇠 단일모드 광섬유 Download PDFInfo
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- 239000000835 fiber Substances 0.000 title claims description 26
- 239000011247 coating layer Substances 0.000 claims abstract description 71
- 239000013307 optical fiber Substances 0.000 claims abstract description 68
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000012792 core layer Substances 0.000 claims abstract description 46
- 239000010410 layer Substances 0.000 claims abstract description 36
- 239000011521 glass Substances 0.000 claims abstract description 29
- 238000005253 cladding Methods 0.000 claims abstract description 28
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 27
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 24
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000011737 fluorine Substances 0.000 claims abstract description 23
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 11
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 25
- 229910052783 alkali metal Inorganic materials 0.000 claims description 11
- 150000001340 alkali metals Chemical class 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 25
- 238000004519 manufacturing process Methods 0.000 description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 9
- 230000002238 attenuated effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000001055 magnesium Nutrition 0.000 description 2
- 229940091250 magnesium supplement Drugs 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- QTZWARTZYFQYKD-UHFFFAOYSA-N [Ti].[Cu].[Mn] Chemical compound [Ti].[Cu].[Mn] QTZWARTZYFQYKD-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- -1 aluminum iron calcium Chemical compound 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- VTYDSHHBXXPBBQ-UHFFFAOYSA-N boron germanium Chemical compound [B].[Ge] VTYDSHHBXXPBBQ-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- OBTSLRFPKIKXSZ-UHFFFAOYSA-N lithium potassium Chemical compound [Li].[K] OBTSLRFPKIKXSZ-UHFFFAOYSA-N 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
Description
도 2는 본 발명의 일 실시예 중 각 부분의 불소 도핑 분포도이다.
외부 피복층 재료 일련 번호 |
알루미늄 | 철 | 칼슘 | 마그 네슘 |
티타늄 | 망간 | 구리 | 리튬 | 나트륨 | 칼륨 | 붕소 | 게르 마늄 |
총합 (ppm) |
A | 7.3 | 0.1 | 0.7 | 0 | 1.3 | 0 | 0 | 0.2 | 0.1 | 0.1 | <0.1 | 0.9 | 10.5 |
B | 10.8 | 0.2 | 0.6 | 0 | 1.3 | 0 | 0 | 0.4 | 0.1 | 0.1 | <0.1 | 1.3 | 14.8 |
C | 14.8 | 0 | 0.4 | 0 | 1.1 | 0 | 0 | 0.5 | 0.2 | 0.2 | <0.1 | 1.1 | 18.3 |
D | 17.8 | 0.2 | 0.7 | 0 | 1.1 | 0 | 0 | 0.7 | 0.4 | 0.3 | <0.1 | 1.3 | 22.3 |
주석:
검출 한계값 |
0.5 | 0.1 | 0.1 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.1 | 0.1 | 0.1 | 0.1 |
순번 | r1 [um] | 코어층 중의 게르마늄 도핑함량ΔGe [%] | r2 [um] | 내부 피복층 불소 도핑함량 [wt%] | r3 [um] | 함몰형 내부 피복층 불소 도핑함량[wt%] | r4 [um] | 보조형 내부 피복층 불소 도핑함량 [wt%] | 외부 피복층 재료종류 | Att.@1550nm [dB/km] |
1 | 5.5 | 0.02 | 11 | 0.9 | 13.5 | 1.9 | 42 | 1.2 | A | 0.162 |
2 | 5.4 | 0.05 | 11.5 | 1 | 15.5 | 1.5 | 48 | 1.3 | B | 0.168 |
3 | 6 | 0.05 | 12.5 | 1.1 | 15.5 | 1.7 | 45 | 1.5 | D | 0.174 |
4 | 4.7 | 0.06 | 12 | 1.2 | 14.5 | 2.2 | 38 | 1 | A | 0.166 |
5 | 5.2 | 0.14 | 10.5 | 0.74 | 14 | 1.35 | 41 | 0.9 | C | 0.173 |
6 | 6 | 0.09 | 13 | 0.85 | 16 | 2.1 | 40 | 1.5 | B | 0.172 |
7 | 5.3 | 0.07 | 10 | 1.3 | 12.8 | 1.8 | 46 | 1.6 | B | 0.165 |
8 | 4.5 | 0.04 | 11 | 1.5 | 16.5 | 2.7 | 47 | 2.0 | A | 0.164 |
9 | 4 | 0.12 | 10 | 1.4 | 13.7 | 2.3 | 44 | 1.8 | B | 0.169 |
10 | 4.2 | 0.05 | 11.5 | 0.8 | 16.5 | 2.1 | 42 | 1.1 | C | 0.170 |
Claims (9)
- 코어층이 포함되고, 코어층 외부에는 안으로부터 바깥으로 내부 피복층, 함몰형 내부 피복층, 보조형 외부 피복층과 외부 피복층이 순차적으로 피복되는, 도핑 최적화된 최저 감쇠 단일 모드 광섬유에 있어서,
상기 코어층 중의 불소 함량은 0.5 wt% 보다 작거나 같고, 게르마늄의 상대적 굴절률 기여량은 0.12% 보다 작거나 같으며, 코어층의 상대적 굴절률 Δn1은 0.12%보다 작거나 같고, 상기 내부 피복층 중의 불소 함량은 0.5-1.5 wt%이며, 내부 피복층의 상대적 굴절률 Δn2은 -0.14%보다 작거나 같고, 상기 함몰형 내부 피복층 중의 불소 함량은 1-3wt%이며, 함몰형 내부 피복층의 상대적 굴절률 Δn3은 -0.25% 보다 작거나 같고, 상기 보조형 외부 피복층 중의 불소 함량은 0.5-2wt%이며, 보조형 외부 피복층의 상대적 굴절률 Δn4은 -0.14% 보다 작거나 같고, 상기 외부 피복층은 금속이 도핑된 이산화규소 유리층이며, 상기 내부 피복층의 반지름 r2은 10 ~ 14 μm이고, 상기 함몰형 내부 피복층의 반지름 r3은 12.5 ~ 17 μm이며,상기 보조형 외부 피복층의 반지름 r4은 40 ~ 50 μm이고, 상기 외부 피복층의 지름은 125 μm인 것을 특징으로 하는 도핑 최적화된 최저 감쇠 단일 모드 광섬유.
- 제 1 항에 있어서,
상기 외부 피복층 중의 금속이 도핑된 금속 불순물은 알루미늄과 알칼리 금속을 포함하고, 금속 불순물의 총 함량은 25 ppm보다 작거나 같으며, 알루미늄 함량은 1-18 ppm이고, 알칼리 금속 총 함량은 2 ppm보다 작거나 같은 것을 특징으로 하는 도핑 최적화된 최저 감쇠 단일 모드 광섬유.
- 제 2 항에 있어서,
상기 알칼리 금속은 리튬, 나트륨, 칼륨 중의 하나 또는 몇가지인 것을 특징으로 하는 도핑 최적화된 최저 감쇠 단일 모드 광섬유.
- 제 2 항에 있어서,
상기 금속 불순물은 철, 칼슘, 마그네슘, 티타늄 중의 하나 또는 여러가지를 포함하는 것을 특징으로 하는 도핑 최적화된 최저 감쇠 단일 모드 광섬유.
- 제 1항 또는 제 2 항에 있어서,
상기 코어층의 반지름 r1은 4.0 ~ 6.0 μm인 것을 특징으로 하는 도핑 최적화된 최저 감쇠 단일 모드 광섬유.
- 삭제
- 삭제
- 제 1 항 또는 제 2 항에 있어서,
상기 코어층의 상대적 굴절률 Δn1은 0.12% ~ -0.08%이고, 상기 내부 피복층의 상대적 굴절률 Δn2은 -0.14% ~ -0.35%이며, 상기 함몰형 내부 피복층의 상대적 굴절률 Δn3은 -0.25% ~ -0.75%이고, 상기 보조형 외부 피복층의 상대적 굴절률 Δn4은 -0.14% ~ -0.56%인 것을 특징으로 하는 도핑 최적화된 최저 감쇠 단일 모드 광섬유.
- 제 1 항 또는 제 2 항에 있어서,
1550 nm 파장에서의 상기 광섬유의 감쇠 계수는 0.175 dB/km 보다 작거나 같은 것을 특징으로 하는 도핑 최적화된 최저 감쇠 단일 모드 광섬유.
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CN107608023B (zh) * | 2017-09-18 | 2020-04-21 | 长飞光纤光缆股份有限公司 | 一种阶跃型超低衰减少模光纤 |
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CN110221382B (zh) * | 2019-06-12 | 2020-07-07 | 烽火通信科技股份有限公司 | 一种超低衰减大有效面积的单模光纤 |
CN110357410B (zh) * | 2019-06-12 | 2020-08-04 | 烽火通信科技股份有限公司 | 用于制造超低衰减光纤的光纤预制棒、方法及光纤 |
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