Spiegel6 Spiegel2 Spiegel14
OptiLayer:  Your Partner in Design and Post-Production Characterization of Optical Coatings


Dates:       March 26 - 28, 2019

Location:  Laser Zentrum Hannover e. V, Hollerithallee 8, Hannover, Germany


23th European OptiLayer Workshop “Optical Coatings for Modern Applications” will provide a great opportunity for you to get acquainted with OptiLayer Software and to be informed about newest software features including the most recent version 12.83 that has been released in October 2018.

Participants may bring their design or characterization problems! We will find time during the workshop to discuss your problem confidentially!  

Who should participate?

The workshop is oriented toward attendees working in various fields of thin film optical coatings including those who have little to no experience in OptiLayer software. Experienced OptiLayer users are also welcome to gain the most recent knowledge in thin films. To meet requirements of the broad audience the 23th European OptiLayer workshop is organized in a format including one beginner’s day and two intermediate/advanced days. New: Design Class for advanced users on 27th March 2019.  

What will you learn?


During Beginner’s session you will learn basic principles and ideas of OptiLayer software. Using practical exercises, you will be able to create your own thin film materials, substratse, designs, evaluate spectral characteristics of the most widely used types of optical coatings and design coatings with desired spectral properties. By the end of the first day, you will also learn how to import measurement data and to perform characterization of thin films and multilayer coatings using spectral photometric data.

The next two days of the course (Advanced session) will cover the main issues and the most recent advances related to the design and production of optical coatings. It will be demonstrated how OptiLayer meets the customers' requests. OptiLayer Team will be able to solve design/characterization problems on the fly!

You can choose to attend Beginner/Advanced sessions or Advanced session only. For other arrangements please contact This email address is being protected from spambots. You need JavaScript enabled to view it.


Important notes:

  • Participants bring their own laptops.
  • Participants book the accommodation by themselves.

For registration please contact Dr. Irmgard Langbein via e-mail This email address is being protected from spambots. You need JavaScript enabled to view it.. Registration form is here.

We are looking forward to seeing you in Hannover!

Your OptiLayer Team


Accommodation: Participants book hotel rooms by themselves. The list of recommended hotels and location are here.


Preliminary Agenda

Tuesday, March 26th, 2018 Beginner's day
09:00 Opening remarks
09:10 Basic principles of OptiLayer software, evaluation of coatings
09:55 Exercises
10:40 Coffee Break
11:00 Design techniques
11:45 Exercises
12:30 Lunch
13:30 Import and export of data in OptiLayer software
14:15 Exercises
15:00 Coffee break
15:20 Optical characterization
16:05 Exercises
17:00 Day concludes
Wednesday, March 27th 2018  
09:00 General-purpose design techniques and practical aspects of designing
09:45 Production-friendly design techniques (thin layer removal, design cleaner, random optimization, variator, specifications)
10:30 Coffee break
10:50 Advanced design/evaluation tools: stacks, cone angles, line widths, optimization of absorption, robust synthesis, floating constants in targets, integral targets, sensitivity-directed refinement, wavefront/taper analysis
11:45 Color evaluation, design of coatings for color applications and architecture glass
12:20 Lunch
13:20 Design of multilayers for ultrafast applications, including multi-coating design and pulse analysis
14:05 Design of WDM, narrow band pass filters, and high reflectors
14:50 Coffee break
15:10 Demonstrations of OptiLayer design tools/Advanced design class
15:55 Demonstrations of OptiLayer design tools/Advanced design class
16:45 Invited talk: Broadband monitoring (Sebastian Schlichting, LZH)
17:30 Day concludes
18:00 Workshop reception (dinner will be provided)
Thursday, March  28th 2018  
09:00 Advanced characterization of single layers on the basis of spectral photometric and spectral ellipsometric data
09:45 Post-production characterization of multilayer optical coatings
10:30 Coffee break
10:50 Advanced post-production characterization of multilayer coatings (quasi-random errors, colors, U- and g-values, variator, multi-scan data processing, evolutionary algorithm, vacuum materials, specifications)
11:45 Overview of monitoring techniques for optical coating production (generation of monitoring spreadsheets)
12:20 Lunch
13:30 Pre-production error analysis and simulation options
14:15 Implementation of OptiRE into design-production chains (COM automation)
15:00 Coffee break
15:20 OptiReOpt library for control of production with broad band optical monitoring
16:05 Closing remarks

Look our video examples at YouTube YouTube

Visit our page at LinkedIn   linkedin logo2



Easy to start

Icons 100x100 1OptiLayer provides user-friendly interface and a variety of examples allowing even a beginner to effectively start to design and characterize optical coatings.        Read more...

Docs / Support

Icons 100x100 2Comprehensive manual in PDF format and e-mail support help you at each step of your work with OptiLayer.



Icons 100x100 3If you are already an experienced user, OptiLayer gives your almost unlimited opportunities in solving all problems arising in design-production chain. Visit our publications page and challenge page.


Go to top