skip to main content
US FlagAn official website of the United States government
dot gov icon
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
https lock icon
Secure .gov websites use HTTPS
A lock ( lock ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Explore Research Products in the PAR
It may take a few hours for recently added research products to appear in PAR search results.


  • Home
  • Search Results
  • Page 1 of 1

Search for: All records

Creators/Authors contains: "Haffner, Christian"

Note: When clicking on a Digital Object Identifier (DOI) number, you will be taken to an external site maintained by the publisher. Some full text articles may not yet be available without a charge during the embargo (administrative interval).
What is a DOI Number?

Some links on this page may take you to non-federal websites. Their policies may differ from this site.

  1. ; ; ; ; (, Optics and photonics news)
    When you start a Ph.D. program, you may be thrilled to be studying a fancy topic that you love—and you should be! But don’t let that prevent you from carefully considering the impact that your Ph.D. supervisor has on your educational experience and career. To set yourself up for success, it’s worth taking the time to select someone who aligns well with your professional goals, work style and personality. 
    more » « less
    Free, publicly-accessible full text available February 1, 2026