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

 

WDM Design

Extremely efficient automatic design technique has been developed specifically for the designing of WDM filters. The WDM option is based on the unique know-how that is inaccessible to other thin film programs.

In order to design a WDM filter, its target specifications must be specified:

  • Filter wavelength
  • Half-width of the rejection band
  • Half-width at the 50% transmittance level
  • Shape factor (the ratio of half-widths of the rejection and transmission bands).

WDM filter

Special comprehensive mathematical procedure  optimizes the filter design with respect to the entered specifications. The procedure is based on the global integer search (see the details in our publications).

WDM filter

WDM filter

WDM filer before and after adjustment to the incident medium.  

Learn more in our publications:

  1. A. V. Tikhonravov and M. K. Trubetskov, "Automated Design and Sensitivity Analysis of Wavelengh-Division Multiplexing Filters ," Appl. Opt. 41, 3176-3182 (2002).
  2. A. Tikhonravov, M. K. Trubetskov, and A. V. Voronov, "Automated monitoring of WDM filters," in Optical Interference Coatings, OSA Technical Digest Series (Optical Society of America, 2001), paper WA3.
  3. A. V. Tikhonravov and M. K. Trubetskov, "Automated design of WDM filters," in Optical Interference Coatings, OSA Technical Digest Series (Optical Society of America, 2001), paper WD3.
  4. A. Thelen, A. Tikhonravov, M. Trubetskov, and M. Kokarev, "Phase properties of WDM filters," in Optical Interference Coatings, OSA Technical Digest Series (Optical Society of America, 2001), paper WD5.
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WDM filter option can be used also to design conventional narrow band pass filters with quarter wave and half-wave layer thicknesses.narrow band pass filter

Narrow band pass filter consisting of quarter wave, half-wave and full wave layers.

narrow bandpass filter

Easy to start

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