Optical component and glass composition as well as use thereof
A glass includes cations of the following components in the indicated amounts (molar proportion in cat.-%): 30-80 cat.-% silicon; 0-20 cat.-% boron; 0-2 cat.-% aluminum; 5-35 cat.-% sodium; 2-25 cat.-% potassium; 0-0.5 cat.-% nickel; 0-0.5 cat.-% chromium; and 0.03-0.5 cat.-% cobalt. A sum of the molar proportions of cations of sodium and potassium is in a range of from 15 to 50 cat.-%, a sum of the molar proportions of cations of nickel and chromium is in a range of from 0.1 to 0.5 cat.-%, and a ratio of the sum of the molar proportions of cations of sodium and potassium to the sum of the molar proportions of cations of nickel and chromium is in a range of from 70:1 to 200:1.
1. A glass, comprising cations of the following components in the indicated amounts (molar proportion in cat.-%):
Component
Proportion (cat.-%)
Silicon
30-80
Boron
0-20
Aluminum
0-2
Sodium
5-35
Potassium
2-25
Nickel
0-0.5
Chromium
0-0.5
Cobalt
0.03-0.5
Iron
0-1
wherein a sum of the molar proportions of cations of sodium and potassium is in a range of from 15 to 50 cat.-%, a sum of the molar proportions of cations of nickel and chromium is in a range of from 0.1 to 0.5 cat.-%, and a ratio of the sum of the molar proportions of cations of sodium and potassium to the sum of the molar proportions of cations of nickel and chromium is in a range of from 70:1 to 200:1.
2. The glass of claim 1 , wherein the glass comprises cations of zinc in an amount of from 1 to 12 cat.-%.
3. The glass of claim 1 , wherein the glass is free of cations of arsenic.
4. The glass of claim 1 , wherein a ratio of the molar proportion of potassium cations to the molar proportion of sodium cations in the glass is in a range of from 0.2:1 to <1:1.
5. The glass of claim 1 , wherein the ratio of the sum of the molar proportions of cations of nickel and chromium to the molar proportion of cations of cobalt is in a range of from >1:1 to 5:1.
6. The glass of claim 1 , wherein a ratio of the molar proportion of cations of manganese to the sum of the molar proportions of cations of nickel and chromium is in a range of from 0:1 to <1:1.
7. The glass of claim 1 , wherein at a sample thickness of the glass of 2 mm a ratio of an average transmission for light of a wavelength in a range of from 850 nm to 950 nm and an average transmission for light of a wavelength in a range of from 250 nm to 700 nm is in a range of from 6:1 to 200:1.
8. The glass of claim 1 , wherein at a sample thickness of the glass of 2 mm a ratio of a lowest average transmission of all subranges of 20 nm width within a range of from 850 nm to 950 nm and a highest average transmission of all subranges of 20 nm width within a range of from 250 nm to 700 nm is in a range of from 2.5:1 to 20:1.
9. The glass of claim 1 , wherein at a sample thickness of the glass of 2 mm a ratio of a minimum transmission for light of a wavelength in a range of from 850 nm to 950 nm and a maximum transmission for light of a wavelength in a range of from 250 nm to 700 nm is in a range of from 1.9:1 to 15:1.
10. The glass of claim 1 , wherein at a sample thickness of the glass of 4 mm a ratio of an average transmission for light of a wavelength in a range of from 850 nm to 950 nm and an average transmission for light of a wavelength in a range of from 250 nm to 700 nm is in a range of from 20:1 to 400:1.
11. The glass of claim 1 , wherein at a sample thickness of the glass of 4 mm a ratio of a lowest average transmission of all subranges of 20 nm width within a range of from 850 nm to 950 nm and a highest average transmission of all subranges of 20 nm width within a range of from 250 nm to 700 nm is in a range of from 6:1 to 50:1.
12. The glass of claim 1 , wherein at a sample thickness of the glass of 4 mm a ratio of a minimum transmission for light of a wavelength in a range of from 850 nm to 950 nm and a maximum transmission for light of a wavelength in a range of from 250 nm to 700 nm is in a range of from 3.5:1 to 15:1.
13. The glass of claim 1 , wherein at a sample thickness of the glass of 4 mm and for D65 illuminant a u′ coordinate is in a range of from 0.07 to 0.4, a v′ coordinate is in a range of from 0.09 to 0.51, and a brightness Y is in a range of from 0 to <7 in the 1976 CIE UCS color space system.
14. A system, comprising:
a glass article comprising a glass and having a thickness in a range of from 1 mm to 5 mm, the glass comprising cations of the following components in the indicated amounts (molar proportion in cat.-%):
Component
Proportion (cat.-%)
Silicon
30-80
Boron
0-20
Aluminum
0-2
Sodium
5-35
Potassium
2-25
Nickel
0-0.5
Chromium
0-0.5
Cobalt
0.03-0.5
Iron
0-1
wherein a sum of the molar proportions of cations of sodium and potassium is in a range of from 15 to 50 cat.-%, a sum of the molar proportions of cations of nickel and chromium is in a range of from 0.1 to 0.5 cat.-%, and a ratio of the sum of the molar proportions of cations of sodium and potassium to the sum of the molar proportions of cations of nickel and chromium is in a range of from 70:1 to 200:1.
15. The system of claim 14 , wherein the glass comprises cations of zinc in an amount of from 1 to 12 cat.-%.
16. The system of claim 14 , wherein a ratio of the molar proportion of potassium cations to the molar proportion of sodium cations in the glass is in a range of from 0.2:1 to <1:1.
17. The system of claim 14 , wherein the ratio of the sum of the molar proportions of cations of nickel and chromium to the molar proportion of cations of cobalt is in a range of from >1:1 to 5:1.
18. The system of claim 14 , wherein a ratio of the molar proportion of cations of manganese to the sum of the molar proportions of cations of nickel and chromium is in a range of from 0:1 to <1:1.
19. The system of claim 14 , wherein at a sample thickness of the glass of 2 mm a ratio of an average transmission for light of a wavelength in a range of from 850 nm to 950 nm and an average transmission for light of a wavelength in a range of from 250 nm to 700 nm is in a range of from 6:1 to 200:1.
20. The system of claim 14 , wherein the system is a light detection and ranging (LiDAR) system further comprising a laser and an optical window positioned between the laser and a surrounding, wherein the optical window comprises the glass article.