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

 

What's new in OptiLayer in 2013 (version 9.96)

Novel Monochromatic Monitoring Strategy

OptiLayer has several new options for specifying various monitoring strategies:

The ability to use BR and BR color characteristics in monitoring spreadsheets has been introduced.

A really breakthrough innovation is the introduction of a new automatic option for generating monitoring spreadsheets: 

This option, referred to as Strategy 4,  is aimed at generating monitoring spreadsheets for a wide set of direct and indirect monochromatic monitoring techniques that explore corrections of termination levels based on monitoring signal extrema registered during layer depositions. Successful implementation of these techniques implies certain demands for signal starting and termination level deviations from adjacent signal extrema.

The Strategy 4 allows you to specify a set of such demands that are then taken into account by the algorithm generating a monitoring spreadsheet:

  • It is possible to take into account the demand for a small number of switches between monitoring wavelengths during coating monitoring.
  • The automatic generator of monitoring spreadsheet based on Strategy 4 is supplemented by the option that allows you to reveal layers with bad monitoring conditions when spreadsheet generation is over. This option is accessed through the tab Bad Monitoring at left bottom part of the OptiMonitor window.
  • Several other supplementary features providing convenient control of monitoring spreadsheet generation have been also implemented. The Options tab at the left bottom part of the OptiMonitor window has a new check-box Next Extr. Selecting this check box allows one to activate the display of signal extrema that will follow termination levels if layer depositions are not terminated at these levels.
  • The monitoring spreadsheet at the upper part of the OptiMonitor window has a new column Swing. This column presents swing values corresponding to signal termination levels. (Swing is defined as a ratio of termination level minus previous signal extremum to the difference between two previous signal extrema; swing is specified in percentage).
  • At the lower graphical part of the OptiMonitor window a specialized auto-hide toolbox is introduced that allows the user to hide or display Options and Bad Monitoring sub-windows along with the monitoring signal plot.

MonSheet T QWMdesign

Fig. 1. Example: Theoretical transmittance and design bar of a narrow band pass filter.

MonSheet Str4 2switches with hvost

Fig. 2. Monitoring spreadsheet created according to Strategy 4 with maximum 2 switches of the monitoring wavelengths. Layers with bad monitoring conditions are shown by pink color. Next extrema following termination levels are shown. 

MonSheet Str4 2switches without hvost

Fig. 3. Monitoring spreadsheet created according to Strategy 4 with maximum 2 switches of the monitoring wavelengths. The demands are different from the demands used in Fig. 2. Layers with bad monitoring conditions are shown by pink color. Next extrema following termination levels are not shown.

 

 

 

 

 

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