公开(公告)号：US20230090497A1

公开(公告)日：2023-03-23

申请号：US17994885

申请日：2022-11-28

Applicant: Schott AG

Inventor： Ralf Jedamzik ,  Antoine Carré ,  Sebastian Leukel ,  Volker Hagemann ,  Uwe Petzold ,  Lothar Bartelmess ,  Peter Nass

IPC: H04N9/31 ,  H01S3/00

Abstract: An imaging system, includes: a laser light source having a wavelength from 380 nm to 490 nm; and a beam guidance element, the laser light source configured for generating an average surface power density of more than 10 W/cm2, the beam guidance element including a glass which has a quality factor F(436 nm)=S(436 nm)*(Abs0(436 nm)+Abs1(436 nm))/k, wherein S(436 nm) is a thermality at a wavelength of 436 nm, Abs1(436 nm) is an additional absorbance in comparison to Abs0(436 nm) at a wavelength of 436 nm after an irradiation with a power density of 345 W/cm2 for 72 hours with a laser light having a wavelength of 455 nm, Abs0(436 nm) is an absorbance at a wavelength of 436 nm of a sample having a thickness of 100 mm without the irradiation, k is the thermal conductivity, and the quality factor F(436 nm) is

公开(公告)号：US20220340478A1

公开(公告)日：2022-10-27

申请号：US17730700

申请日：2022-04-27

Applicant: Schott AG

Inventor： Ralf Jedamzik ,  Antoine Carré ,  Sebastian Leukel ,  Volker Hagemann ,  Uwe Petzold ,  Lothar Bartelmess

IPC: C03C3/091 ,  H04N9/31 ,  C03C4/08

Abstract: A glass includes the following components in the specified proportions (in % by weight): 50-80% SiO2, 2-30% B2O3, 0-5% Al2O3, 0-10% CaO, 0-10% BaO, 0-5% Li2O, 0-20% Na2O, 1-25% K2O, and 5-30% ΣR2O. R2O includes at least one alkali metal oxide. The glass includes at least one first solarization component and at least one second solarization component. A proportion of the first solarization component in the glass is in a range from 0.01 to