Details in accordance with Article § 5 of the German Telemedia Act (TMG):

PT Photonic Tools GmbH
Carl-Scheele-Str. 14
12489 Berlin

Prof. Dr. Emil Schubert, Dr. Bernhard Lummer


Entry in the Commercial Register.
Court of Registration: Berlin
Registernumber: HRB 154069

Taxnumber: DE 293 215 864


Liability for contens

The contents of the website were compiled with great care., however, will not accept any responsibility for the correctness, completeness and up-to-dateness of the contents. In accordance with article § 7 paragraph 1 of the German Telemedia Act (TMG) is responsible as a service provider for its own contents on this website in terms of the general laws. In terms of paragraphs §§ 8 to 10 of  the TMG the PT Phortonic Tools GmbH is not obliged as a service provider to monitor transmitted or stored foreign information or to investigate circumstances that would indicate illegal activity. Obligations to remove or block the use of information under the general laws remain unaffected. However, a liability in this regard only arises as from the date of knowledge about a specific contravention of the law. Upon notification of such violations, these contents will be removed immediately by us. 

Liability for Links 

The offer of contains links to external websites, the contents of which has no influence over. Therefore will not accept any responsibility for their contents. The respective provider or operator always remains responsible for the contents of any linked sites. The linked sites were checked at the time of linking for possible legal contraventions. Illegal contents did not come to attention at the time of linking. The permanent scrutiny of the linked pages is unreasonable without concrete evidence of a violation. Upon notification of contraventions, will immediately remove such links. 


The contents and contributions on these pages created by are subject to German copyright law. Duplication, processing, distribution and any kind of exploitation outside the limits of copyright require the written consent of the respective author or creator. Downloads and copies of these pages are only permitted for private, non-commercial use. As far as the content of this site was not created by the website operator, the copyright of third parties is recognized. In particular, third party content is clearly identified as such. Should you nevertheless become aware of any copyright infringements, requests that it be notified of such. Upon notification of any violations, will remove such content immediately.

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