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Broadening the rare earth ion emission bandwidth, increasing emission cross section, and/or shifting peak emission wavelength in ND-doped aluminate or silicate glasses

A silicate glass, emission wavelength technology, used in glass in hybrid glass laser systems, glass in high peak power laser applications, and in the field of short pulses, which can solve problems such as poor laser properties

Active Publication Date: 2014-06-11
SCHOTT AG
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, glass 9016 has poor lasing properties, for example, it has about 1.4×10 -20 cm 2 small emission cross-section

Method used

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  • Broadening the rare earth ion emission bandwidth, increasing emission cross section, and/or shifting peak emission wavelength in ND-doped aluminate or silicate glasses
  • Broadening the rare earth ion emission bandwidth, increasing emission cross section, and/or shifting peak emission wavelength in ND-doped aluminate or silicate glasses
  • Broadening the rare earth ion emission bandwidth, increasing emission cross section, and/or shifting peak emission wavelength in ND-doped aluminate or silicate glasses

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Experimental program
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Embodiment

[0124] All glasses are made using laser grade ingredients and melted in a dry oxygen atmosphere with the aid of stirring using a platinum stirrer for uniformity. All glasses were cast into molds and properly annealed to remove stress as the liquid cools to an amorphous state. The resulting glass blank is shaped into the form required for use by equipment that provides the glass with various properties.

[0125] Tables 1A-1C list aluminate compositions according to the invention, and Table 3 lists sodium-silicate compositions according to the invention. The results of these property measurements and calculations are detailed in Tables 2A-2C for the aluminate glasses according to the invention and in Table 4 for the sodium-silicate glasses according to the invention.

[0126] Table 1A: Aluminate-based glass systems

[0127]

[0128] Table 1B: Aluminate-based glass systems

[0129]

[0130]

[0131] Table 1C: Aluminate-based glass systems

[0132]

[0133] Table 2...

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Abstract

The invention relates to broadening the rare earth ion emission bandwidth, increasing emission cross section, and / or shifting peak emission wavelength in ND-doped aluminate or silicate glasses, and specifically relates to a Nd-doped, aluminate-based or silicate-based, laser glass having a peak emission wavelength that is longer than 1059.7 nm, an emission cross section ([sigma]em) of >=1.5*10-20 cm2, and / or an emission bandwidth ([Delta][lambda]eff) of >=28 nm, while maintaining properties that render the glass suitable for commercial use, such as low glass transition temperature Tg and low nonlinear index, n2.

Description

technical field [0001] This invention relates to glasses for use in solid-state laser applications, particularly for short pulse, high peak power laser applications. In particular, the invention relates to glasses for hybrid glass laser systems in which aluminate or silicate laser glasses are used in combination with phosphate laser glasses. [0002] Furthermore, the present invention relates to Nd-doped aluminate or silicate glasses suitable for use in hybrid glass laser systems, wherein (a) said Nd-doped aluminate or silicate glasses are at wavelengths exceeding 1060 nm having a peak wavelength (in particular, greater than 1067 nm for Nd-doped aluminate glasses); (b) said Nd-doped aluminate or silicate glass has a broadened emission cross-section; and / or (c ) The Nd-doped aluminate or silicate glass has a broadened emission bandwidth while maintaining properties that make the glass suitable for commercial use, such as a low glass transition temperature T g , high emission ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C3/062C03C3/064C03C3/066C03C3/068C03C3/12C03C3/14C03C3/145C03C3/15C03C3/155
CPCC09K11/7758C03C4/12C03C3/062C03C3/089C09K11/7774C03C3/093H01S3/1631H01S3/176H01S3/1636C03C4/0071C03C3/091H01S3/175C03C3/095C03C3/14C03C3/064C03C3/066H01S3/00
Inventor 西米·乔治内森·卡利萨莉·普奇洛斯基约瑟夫·海登
Owner SCHOTT AG
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