Karen Twietmeyer
Dr. Karen Twietmeyer
Principal Optical Engineer, QD Vision
Lexington, MA

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I'm the Principal Optical Engineer at QD Vision, a startup in Lexington, Massachusetts. My company makes quantum dots, and we were the first company to put the beautiful colors of quantum dots into TVs (made by Sony) that are sold around the world and have won many prizes! I work on optical designs to make quantum dot displays more efficient, and I design instruments to measure the quantum dots in production before they are put into the TVs. My degrees are a BS in electrical engineering from MIT, an MS in electro optics from Tufts, and a PhD in optical physics from the University of Arizona. I started out as an electrical engineer but I totally fell in love with optics and decided to become an optical engineer! It is a totally amazing field! My favorite past projects are designing a polarization based imaging laser ophthalmoscope for my PhD dissertation (it has a long name, but basically it's a new kind of instrument to detect eye diseases), and working on a laser instrument to detect cervical cancer at a startup company.
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BS in Electrical Engineering - MIT MS in Electrical Engineering - Tufts PhD in Optical Physics - University of Arizona
Volunteer Opportunities
  • I am willing to be contacted by educators for possible speaking engagements in schools or in after school programs or summer camps.
  • I am willing to serve as science fair judge or other temporary volunteer at a local school.
  • I am willing to be contacted about potential job shadowing by interested students.
  • I am willing to be interviewed by interested students via email.
  • I am willing to answer written interview questions to be posted on the EngineerGirl website.
Latest Questions
  • Kyla, Lincoln

    Added Wednesday, August 13, 2014 at 9:51 AM

    Hi, I am currently starting my academic career in college, but I've been having conflicting thoughts on which engineering course I want to take. See I really want to help research and improve nanotechnology so that I can start working on Immersive Virtual Reality, but the problem is I want to work more on the the Virtual Reality more than the nanotechnology but I feel that it's a necessary step to work on nanotechnology as we're going to need it to stimulate senses that would occur during VR. ...
    Answers 1
    Karen Twietmeyer, QD Vision
    Answered Wednesday, August 13, 2014 at 9:51 AM
    Hi Kyla. This is a big decision that may influence your whole life! I think the most important thing you can do is to figure out which of the technology paths you mention you would enjoy doing the most (happy = successful!). Here are some suggestions: ...
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  • Chris, Edmonton

    Added Monday, April 7, 2014 at 8:31 PM

    Hi, I am just wondering what the benefit of going through a full 4 year degree compared to a 2 year technology program would be in Canada. How much of an advantage the degree is over the diploma in terms of salary, job prospects and overall job quality. Is it really worth all that extra money and time? (its about $24,000 extra in tuition alone, plus $80,000-$100,000 in lost wages for extra time in school.) Thanks, Chris
    Answers 1
    Karen Twietmeyer, QD Vision
    Answered Monday, April 7, 2014 at 8:31 PM
    Hi Chris,
    I'm from the US, but probably it is similar in our two countries.
    I believe that in terms of salary, job prospects, and overall job quality it is important to have the 4 year full degree. Having a degree opens up many more doors, and you ...
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