30-03-2017 дата публикации
Номер: US20170089526A1
Принадлежит:
An exemplary embodiment provides for a source of white light having at least one white light emitting device composed of a transparent glass/quartz chamber, a vacuum chamber including an optically active element, a spacer, a focusing lens, an IR laser diode, where the optically active element arranged in the vacuum chamber is a thin-layer oxide matrix doped with rare earth ions selected from the group of Nd, Yb, the concentration of dopant ions being in the range of 0.0001 to 100 at %. 16-. (canceled)8. The article of manufacture of claim 7 , {'sub': 9', '2', '9', '2', '4', '12', '4', '12', '4', '12', '2(1-x)', '2x', '3', '3(1-x)', '3x', '5', '12', '2(1-x)', '2x', '3, 'CaNd(OH), CaYb(OH), NaNdPO, RbNdPO, RbYbPO, YYbOif x >0.3, YNdAlOif x from 0.3 to 1, YNdOif x from 0.3 to 1.'}, 'wherein the thin-layer oxide matrix is selected from a group comprising9. The article of manufacture of claim 7 , wherein the optically active element includes a thin-layer oxide matrix in the form of nanocrystalline or microcrystalline powder, glass, crystal, nanoceramics, nanocomposite,', 'wherein the thin-layer oxide matrix has a thickness not greater than 10 mm., 'wherein the optically active element is positioned within in the vacuum chamber, and'}10. The article of manufacture of claim 7 ,wherein the optically active element, upon excitation with radiation generated by the IR laser diode, emits white light of CRI above 90.11. The article of manufacture of claim 7 ,wherein the IR laser diode is operative to generate radiation having a wavelength in the range of 800-1200 nm.12. The article of manufacture of claim 7 , {'sup': 3', '−6, 'wherein the pressure value is set in the range of 10-10mbar.'}, 'wherein the vacuum chamber including the optically active element is pressurized at a pressure value,'}13. The article of manufacture of claim 7 , a pressure level in the vacuum chamber, and', 'the distance the spacer separates the optically active element and the focusing lens., 'wherein ...
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