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12th UPOB Workshop 2024 - Asphere Metrology


12th UPOB Workshop 2024 - Asphere Metrology
Di, 12. März 2024 - Mi, 13. März 2024
Buderus Arena Wetzlar - Wetzlar, Hessen
Messen und Ausstellungen


12th Workshop 2024 - Asphere Metrology

In the field of asphere metrology, many new advancements were achieved, new measurement procedures were developed and precision was noticeably improved. In previous High-Level Expert Meetings (HLEM) and workshops, developers, manufacturers and users have confirmed the great interest in asphere metrology.

Please learn more about previous events by following links (HLEM 2023, HLEM 2022, HLEM 2021, HLEM 2019, HLEM 2018, HLEM 2017; Workshop 2016; HLEM 2015; HLEM 2013; Workshop 2012; HLEM 2012, HLEM 2010)

In order to manufacture ultra-precise and high-tech optical components and to be capable of further miniaturization, reliable and extremely precise measurement technology is required. Both the introduced measurement systems as well as the results of round robin 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.

Now we plan this new Workshop with topic Asphere Metrology

Save the NEW DATE  - 12th Workshop 2024, March 12th - 13th, 2024!

The workshop is structured into the following 3 sessions:
  • Assembly of Optical Systems
    Status: Keynote and 3 additional lectures are confirmed

  • Free-Form and Space Optics
    Status: Keynote and 6 additional lectures are confirmed

  • Measurements on current HLEM samples
    Status: 4
    lectures are confirmed

R e g i s t e r  H E R E !

Find here the Program Flyer

Find here the Program-Preview

Find here the Detailed Program


This Workshop 2024 website will be actualized regularily, do you need any information that is currently not avaliable here?

Don´t hesitate to contact Mr. Klawitter in our administrative office!!

ONE Location TWO Events

In spring 2024 our workshop will again take place in Wetzlar in combination with the local trade fair.
On the one hand our popular HLEM / Worshop series takes place, on the other hand, the interesting W3+ FAIR Wetzlar is held at the same time.

For the second time the Competence Centre Ultraprecise Surface Processing UPOB is taking advantage of the trade show top class environment to host the 12th Workshop 2024. The two day event with topic Asphere Metrology kicks off the day the fair is set up, March 12th 2024.

The cross-industry platform (W3+ FAIR) for enabling technologies, invites companies from optics, photonics, electronics and mechanics to Buderus-Arena Wetzlar.

Learn more by visiting W3+ FAIR website here. W3 FAIR LOGO CMYK mod208x55px



Workshop Spring 2024

On the one hand our upcoming 12th Workshop 2024 is dedicated to the presentation of measurement results of current lenses (4 parts), discussion and dissemination of new developments and recent scientific results in asphere and free form metrology for reflective and transmissive surfaces.

On the other hand, there are lectures on the assembly of optical systems and Free-Form and Space Optics

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.

The four different samples are available for measurements through kind support of Leica Camera, Innolite and Edmund Optics. The marks on the glass samples were realized by NTG.

UPOB Worksop 2024 Samples 

 Are you interested in taking an active part?

  • Do you want to take part with measurements?
  • Would you like to give a talk on the topics mentioned above?

Don´t hesitate to contact Mr. Klawitter in our administrative office!



Planned Main Topics of Workshop 2024

HLEM 2023 Program 1 comp

Main Topics:

Measurements on current HLEM samples

Presentation of the results

Assembly of Optical Systems

Free-Form and Space Optics


The following topics are also of interest:

Additional Topics:

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

Measurement of unmounted aspheres

Measurement of endoscope optics

Measurement of mobile phone optics

Inner centration of aspheres

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

D o w n l o a d    h e r e   the  Detailed  Program!

D o w n l o a d    h e r e   the  Program  Flyer!



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 lecture without measurements?

Are you interested in participating?

Are you interested in participating in the supporting exhibition?


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

D o w n l o a d    h e r e   your  registration!



YSA 2024 - Young Scientist Award 

Awarding the Young Scientist Award will not take place during this workshop.

During our next Meeting in March 2025 young scientists will have opportunity to present their work.

Save the Date!


Key Dates

Measurements & Meeting:

Start of measurements:
   June 1st, 2023 - February 1st, 2024

Application for measurements:
   closed for workshop 2024
   open for next meeting in 2025

Abstract deadline „none measurement contributions“:
   November 15th, 2023

Deadline for performing measurements:
   February 1st, 2024

Deadline to submit measured data:
   Not later than 2 weeks after end of your measurement period
   During this workshop no comparison is planned

Deadline to submit author & title:
   December 1st, 2023

Deadline to submit presentation slides:
   (for download by registered participants)
   March 10th, 2024


Deadline registration for industrial exhibition:
   March 10th, 2024 (first come first serve)
   This time 4 table-top presentations are possible


Start registration:
   Spring 2024 (download registration form here)

Deadline registration:
   March 1st, 2024


Organizational Details

Date of Meeting:
   March 12th - 13th,  2024


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

Attendance fee:
   Lecturers: € 250 (1st person)
   Members: € 250
   W3+ Exhibitors: € 500
   Wetzlar Network Partner: € 500
   Non-members / others: € 650

   Please pay in advance after you have received the invoice.

Recommended Accomodation:
   The hotel situation during the HLEM and the Trade Fair W3+ in Wetzlar is relaxed.
   We have not reserved a contingent, we recommend the following hotels:
   Leitz Hotel
   Achat Hotel
   B&B Hotel Wetzlar
   Best Western

Get Together: ==> not planned in 2024

Conference Dinner:
   Attendees of our Workshop 2024 are invited to Steakhouse Bolero in Wetzlar
   (For Entry please wear your Name Badge)
   Address: Steakhaus Bolero, Kornmarkt 7-9 / 35578 Wetzlar

Trade Fair W3+ Visit included:
   Attendees of our Workshop 2024 can also visit the W3+ Fair free of charge

Apero after the Workshop and W3+
   Attendees of our Workshop 2024 and the W3+ are invited to network with W3+ exhibitors
   March 13th, 2024; Start 17:15; Location: Foyer Area in Buderus Arena

Conference Location:
   Buderus Arena Wetzlar
Wolfgang-Kühle-Straße 1, 35576 Wetzlar, Germany

==> details are coming soon

   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


Buderus Arena Wetzlar - Webseite
Wolfgang-Kühle-Straße 1







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