Cylindrical optical components of quartz glass are known, which have an inner zone made of an inner zone glass, which extends in the direction of the longitudinal axis and is surrounded by a jacket zone made of a jacket zone glass, the average wall thickness thereof varying at least over a part of its length …

Legal parties

Inventors (applicants): Gerhard Schoetz, Andreas Langner, Peter Bauer, Marco Flach, Karsten Braeuer, Matthias Stecher, Clemens Schmitt, Richard Schmidt
Assignees (initial): Heraeus Quarzglas GmbH & Co. KG (Hanau, DE)
Agents: Tiajoloff and Kelly LLP (attorney)

The application was examined by Dung Nguyen (USPTO dept. 2828)


  • 1. A method of producing a cylindrical optical component of quartz glass that has an inner …
  • 2. The method according to claim 1 , wherein the second preform comprises a second …
  • 3. The method according to claim 2 , wherein, during the joining of the first …

International priority data

DE: 10 2008 063 829 / Dec. 20, 2008 (national)

Cited documents


  • Albrecht US 6776439 B2, Aug. 1, 2004
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  • Shaw et al. US 5048026 A, Sep. 1, 1991
  • Albrecht US 2002/0121746 A1, Sep. 1, 2002
  • JP 11021142 A, Jan. 1, 1999
  • JP 781960 A, Mar. 1, 1995
  • Sanghera et al. US 6021649 A / 65/495, Feb. 1, 2000
  • Albrecht US 2004/0239045 A1, Dec. 1, 2004
  • DE 28 44 129 A1, Oct. 1, 1978
  • EP 0 244 135 A1, Nov. 1, 1987
  • Wach US 5878178 A / 385/55, Mar. 1, 1999
  • Farroni et al. US 2007/0089462 A1, Apr. 1, 2007
  • Farroni et al. US 7386210 B2, Jun. 1, 2008
  • JP 9227149 A, Sep. 1, 1997
  • Pocholle et al. US 5086433 A, Feb. 1, 1992


Preferred Embodiments

The invention is explained in more detail in the following with reference to embodiments and a drawing. In detail, in a schematic view: FIG. 1 shows the provision of preforms …


Technical Background

Side pumped optically active components in rod or fiber form are e.g. used as high-power lasers or in communications technology as optical fiber amplifiers with a laser active core and a pump …

Detailed Description

FIG. 1 schematically shows a first cylinder 11 of undoped quartz glass and a second cylinder 12 of a quartz glass doped with 4% by wt. of fluorine. The first …

More details about Method for Producing a Cylindrical Optical Component of Quartz Glass and Optically Active Component Obtained by Said Method

Miscellaneous patent data

Located in Hanau (DE), the assignee organization is Heraeus Quarzglas GmbH & Co. KG, invented by Marco Flach et al., the exemplary patent drawings are provision of preforms as a first, joining of the preforms on the face, Method for Producing a Cylindrical, generation of a central inner, the application publication date is Dec. 2, 2009, 18 claims comprise the protection scope, the application was examined by Dung Nguyen (2828 USPTO department), numbered 12/998,968 (application), originally classified under Optical Fiber Laser, the exemplary claims include number 1, the recorded inventor's name is Stecher Matthias, the grant number is 08509269, illustrated by 5 drawings, the patent was granted on Aug. 13, 2013, the assignee is a foreign company or corporation, the invention is named Method for Producing a Cylindrical Optical Component of Quartz Glass and Optically Active Component Obtained by Said Method, the patent particularly claims a method of producing a cylindrical optical component of quartz glass that has…, 15 figures depict the invention details, the published applicant's name is Matthias Stecher, the known agent's company is Tiajoloff and Kelly LLP, similar categories include solid state lasers, Masers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of electromagnetic waves of wavelength longer than that of infra-red waves, Arrangements for controlling the laser output parameters, e.g. by operating on the active medium, controlling a device placed within the cavity, in multi-section lasers, vertical output (surface emission), Mode locking, Optical pumping, Grating, Having lens, the patent grant extension term is 166 days.

Invention classification information

The invention is classified under Waveguide, Particular Active Media, Optical Fiber Laser, Amorphous, using scattering effects, e.g. stimulated Brillouin or Raman effects. The designated search classifications include Particular Active Media, Optical Fiber Laser, Amorphous.

Patent details
Publication number 08509269
Publication date Aug. 13, 2013
Kind code B2
Application number 12/998,968
Application date Dec. 2, 2009
Application type U
Application series code 12
Int. pub. country WO
Int. pub. number WO2010/069768
Int. publication Jun. 24, 2010
Int. filing country WO
Int. filing PCT/EP2009/066230
Filed internationally Dec. 2, 2009
National stage date Jul. 22, 2011
Extension term 166
National classification 372/6
Total number of claims 18
Exemplary claims 1
Number of drawings 5
Number of figures 15
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