Questionnaire "*" indicates required fields How long have you been using RefFIT?* Less than 3 months 3 - 6 months 6 - 12 months More than 1 year On how many days per month do you use RefFIT on average?*Please enter a number from 1 to 31. How many hours do you use RefFIT on a typical day?*Please enter a number from 1 to 24. Which of the following functions do you use most frequently?* Kramers- Kronig transformations using the VDF function Multilayer fitting Fitting transmission or reflection spectra to extract the dielectric function or refractive index of bulk crystals Fitting anisotropic crystals Raman models and temperature extraction THz time domain fitting Near field (SNOM) fitting Magneto-optical fitting How often do you use macros?* Every time I use RefFIT More often than not About half of the time I use RefFIT Almost never Never How satisfied are you with the current functionalities of RefFIT?* Very satisfied Satisfied Neutral Dissatisfied Very dissatisfied Why are you dissatisfied? How satisfied are you with the current user interface of RefFIT?* Very satisfied Satisfied Neutral Dissatisfied Very dissatisfied Why are you dissatisfied? Which of the following improvements would bring the most value to your work? (please select max. 3)* Improved speed and performance Additional features and functionality, new models. Please specify below Improved user interface and user experience Better integration with other software and tools Session saving Data smoothing, filtering, interpolating, shifting, scaling functions, baseline subtraction More capabilities to import different data types. Please specify below. Easier model initialization (pre fit function) Connection to databases like HITRAN Capabilities to analyse in real time A function editor so new models can be defined by the user Compatibility with Linux or Mac More capabilities to import different data types that would be useful to you:*Additional features and functionality, new models that you would like to be added to RefFIT:* Is there anything you would like to see added or improved in future versions of the product? What other software/ programs/ codes do you use to analyse your optical data? How did you find out and learn about RefFIT?* Do you work in:* Academia Industry I’m a student Other Would you like to be a beta-tester for the new version of RefFIT? If yes, please enter your email: How likely are you to recommend our software to others?* Very likely Somewhat likely Neutral Somewhat unlikely Very unlikely CAPTCHA