Learning Forum

[SAURAV GAUTAM]

How can i export reflectance spectrum for range of wavelength from monitor in fdtd?

thank you

[SAURAV GAUTAM]

[Amrita Pati]

Hi Saurav,

Please refer to the following video for information on different data export methods.
Plotting and Exporting Data in Ansys Lumerical FDTD — Lesson 5, Part 2

Let me know if you have any further questions or if you face any issuses. Thank you!

Regards,
Amrita

[SAURAV GAUTAM]

Hi Thank you for support.

I am trying to get power in rnge of wavelength but monitor visualization has option for only one wavelength. I want to export for whole range of wavelength.

 

[Amrita Pati]

Hi Saurav,

You are welcome! Are you trying to export the figures? Or are you trying to export the data into a text/MATLAB file? I would also like to add that P is the Poynting Vector.

Regards,
Amrita

 

[SAURAV GAUTAM]

Thank you for reply.

I want to export power and wavelengths in nearfield instead of farfield as in the code in this picture. i am trying to get in text file.

[SAURAV GAUTAM]

f_power_norm = f_power_array/f_hemisphere_array*transmission(mname); # get fraction of power in cone, then * monitor transmission, for each frequencny

 

[Amrita Pati]

Hi Saurav,

Thank you for providing more information. You can write this variable (f_power_norm) into a text file using the write script command.
For example:
write("power.txt",num2str(f_power_norm));

It will write the data into a text file called "power.txt", which will be saved in the same directory. I believe the variable would have the power for different wavelengths, but not the wavelength itself. So, you can either add it to the same variable from the monitor and then write the variable. Or you can append the wavelegths at the end of file. Please let me know if you face any issues.

Regards,
Amrita

[SAURAV GAUTAM]

Thank you!!