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9th High Level Expert Meeting - Asphere Metrology on Joint Investigations


9th High Level Expert Meeting - Asphere Metrology on Joint Investigations
Mi, 28. Februar 2018 - Do, 1. März 2018
Physikalisch-Technische Bundesanstalt (PTB) - Braunschweig, Niedersachsen
Messen und Ausstellungen


9th High Level Expert Meeting - Asphere Metrology on Joint Investigations

In previous High-Level Expert Meetings (HLEM) and workshops, developers, manufacturers and users have confirmed the great interest in asphere metrology.

Both the introduced measurement systems as well as the results of round robin comparison measurements show the enormous potential of this field of technology. In addition,a great need for comparability, standardization and proximity to users was also pointed out.

Our upcoming 9th HLEM 2018 is dedicated to the presentation of measurement results of current lenses, discussion and dissemination of new developments and recent scientific results in asphere and free form metrology for reflective and transmissive surfaces. With this broader scope we aim to supplement our previous events while also addressing asphere and free form metrology to interested scientists, developers and manufacturers.

Seven different samples are available for measurements through friendly support of Asphericon GmbH (Jena), Berliner Glas (Berlin), IOM (Leipzig) and Physikalisch-Technische Bundesanstalt (Braunschweig). We do not want to require the participants to measure the large number of samples in one run. In order to carry out a well-founded comparison, we would appreciate, if you could consider the following 3 lenses in your measurements:

  • small asphere (UPOB #2)
  • standard asphere (UPOB #3)
  • cylinder (UPOB #4)

Due to the demand of the participants a CGH for lens #3 (standard asphere) is avaliable!


D o w n l o a d    h e r e
the call for papers and contributions!

Main Topics of HLEM 2018

Main Topics will be the presentation of the results of the newly produced samples. In addition to presentation on measurements also following topics of interest are:

■ New developments in measuring techniques for aspherical, free form and cylindrical lenses

■ Measurements of small precision optics (as used for endoscopy, mobiles, sensors …)

■ In situ-measurements in complex UP processing lines for aspherical or freeform surfaces

■ Clamping technologies for measurements in aspherical lens production

■ Standardization in the description of aspheres and freeform surfaces

■ Measurements of aspherical surfaces of moulding tools for glass and plastic lenses

■ The influence of coatings on the measurement of aspheric and freeform lenses

■ Other topics related to asphere and free form metrology or production


Y o u r   c h a n c e   t o   j o i n !

■ Would you like to perform measurements and give a presentation?

■ Would you like to receive more details of the "round robin" samples?

■ Would you like to give a presentation without measurements?

■ Are you interested in participating?

■ Are you interested in the supporting exhibition?

Please send a e-mail with your request to: Diese E-Mail-Adresse ist vor Spambots geschützt! Zur Anzeige muss JavaScript eingeschaltet sein!


Download your registration here!

Key Dates

Measurements & Meeting:

■ Start of Measurements:
   3 April 2017

■ Application for Measurements:
   is Opened

■ Abstract Deadline „None Measurement Contributions“:
   31 November 2017

■ Deadline for Performing Measurements:
   30 October 2017 (3 Main Samples / for Comparison)
   15 February 2018 (4 Additional Samples)

■ Deadline for Submission of Author & Title:
15 December 2017


■ Deadline Registration for Industrial Exhibition:
   31 January 2018


■ Start Registration:
   Registration has started in November 2017

■ Deadline Registration:
   12 February 2018


Organisational Details

Date of Meeting:
28 February - 1 March 20


Please register by letter, fax or E-Mail using the registration form.
Following this you will receive a confirmation.

Attendance fee:
Lecturers: € 150 (1 Person)
Members: € 150
Non-members: € 525

Please pay in advance after receiving the invoice.

By following link you will find recommend accomodation:
This hotel contingent is avaliable until 28 January 2018!

Get Together:
Is planned - details will be published later!

Social Event:
Is planned in - details will be published later!

Conference Dinner:
Is planned - details will be published later!

Conference Location:
The conference takes place in:
PTB´s Seminar Center; Bundesallee 100, 38116 Braunschweig, Germany

For your travel by train with "Deutsche Bahn" you can use a special offer. Please check the price and use for booking the phone number in this document. (You´ll need Credit Card and codeword "CB Braunschweig")

Do you travel by plane via Hannover? You can use a special transfer service.
Additional information you will find by
following this link.

Do you need any general information?
Don´t hesitate to contact us directly.

Travel in Braunschweig:
If you like to receive more information to travel in Braunschweig you can use this
journey planner.
You can find a public transport planner for Braunschweig region here.

Learn more about all downloadable files of this event here


Mr. Heiko Klawitter
Tel.: +49 531 592-5131
Fax.: +49 531 592-69-5131
Please send e-mails to Diese E-Mail-Adresse ist vor Spambots geschützt! Zur Anzeige muss JavaScript eingeschaltet sein!

Bundesallee 100
38116 Braunschweig





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