Boris Zel’dovich, College of Optics and Photonics of the University of Central Florida, USA

'Thank you once again for all your efforts to make our stay in Yerevan so wonderful.'

Brian Kimball, WarSTAR Directorate, U. S. Army Natick Soldier R&D and Engineering Center USA

'Thank you for inviting me to participate in OLC-2011. It was a most pleasurable experience. I learned a great deal from the diverse and interesting speakers. I thoroughly enjoyed the food, drink and conversation, and the cultural events were unforgettable. The entire affair was superbly planned and flawlessly executed. I am grateful for having had the opportunity to participate in OLC-2011, and I look forward to the possibility of participating in future meetings.'

Cesare Umeton, University of Calabria, Italy

'I want to thank you for the fantastic opportunity we have been offered: The top scientific level of the conference, the beauty of Yerevan and landscapes, the goodness of food, the feeling of people but, above all, the glow of friends like you, will last for long-long time in our minds and will help us to face the melancholy of the incoming fall, with its burden of courses, exams, bureaucracy ...'

Claudio Zannoni, University of Bologna, Italy

'…just a few lines to thank you, as well as all your collaborators for the perfect organization of OLC 2011. All was super both the Science, the location and on top of all your hospitality. Congratulations.'

Dean Evans, Air Force Research Laboratory, USA

'I just wanted to congratulate you on a successful meeting… I enjoyed OLC and even more so your wonderful country. Last night my wife and I enjoyed two big glasses of Armenian brandy… and some Armenian chocolates, they were great.'

Etienne Brasselet, University of Bordeaux, France

'…the OLC 2011 was very good both for science and human contacts. Big thanks to all the crew once more time!'

Hiap Liew Ong, Kyoritsu Optronics Co., Taiwan

'Thanks for the great work that you have done for OLC’2011... I am very pleased to visit Armenia.'

Jafar Poursamad, Bonab Higher Education Complex, Iran

'First of all I have to thank you for your excellent performance and hospitality in OLC 2011.'

Jia-De Lin , National Cheng Kung University, Taiwan

'First of all, I really appreciate you for the successful and impressive meeting. The beautiful scene and moment will be remembered all my life. I also thank you for the encouragement with an award for young scientists.'

Joachim Stumpe, Fraunhofer Institute for Applied Polymer Research, Germany

'I will say thank you for the very nice OLC conference in Yerevan. The program was extremely interesting, the meeting was very well organized and the cultural framework was perfect. I think all participants have got a very good impression concerning science, life style and culture in Armenia. Once more, thank you to you and all of your co-workers.'

Kai-Yu Yu, National Cheng Kung University, Taiwan

'It is my pleasure to join the memorable meeting of OLC 2011 in Armenia (a beautiful and friendly city) and I do really hope to participate in this conference again. Additionally, I am grateful to the general meeting for the award...'

Lachezar Komitov, University of Gothenburg, Sweden

'I would like to thank you for all your efforts to organize such an outstanding meeting both scientifically and socially! I left your country with warm feeling and excellent memory about you, your colleagues and your country Armenia! From all my heart THANK you!'

Lev Blinov, Shubnikov Institute of Crystallography, Russia

'Thank you for the fantastic hospitality…'

M.J. Soileau, University of Central Florida, USA

'…my memories of Armenia are dominated by the hospitability and generosity of the people. I have never felt so comfortable in my first visit to another country, from the flowers for Cheryl at our arrival, to seeing us off at the airport, the experience was incredible... I particularly appreciate whoever arranged such a beautiful view of Ararat upon our departure!'

Marc Warenghem, Universitй Lille Nord de France, France

'Back to home, I would like to tell you how nice was the conference. I would like to thank you for your hard work, to make that OLC successful. Both from scientific and cultural points of view, our stay in Yerevan have been a real pleasure. We have appreciated, my wife and me, the way you took care of all your attendees. So thank a lot and again congratulation for your efficient organization. Please pass those congratulations to all the organizing staff.'

Michel Mitov, CNRS, France

'All our congratulations and gratitude to the organizers for this wonderful conference! The scientific contacts and opportunities for further collaborations were perfect, and all was done by you to create a friendly atmosphere… I am hoping to come back in Yerevan…'

Nelson Tabirian, Beam Engineering for Advanced Measurements Co., USA

'You did a great job! Once again, thank you! You did a marvelous job!'

Peter Palffy-Muhoray, Liquid Crystal Institute, Kent State University, USA

'I am writing to congratulate you on organizing such a marvelous conference. The science was genuinely exciting with many unexpected facets, the organization superb and the warm hospitality of your team and people in Yerevan was memorable and touching. I will carry the many happy memories of this meeting with me. Please thank everyone involved on my behalf. Thank you again!'

Ruben Ramos-Garcia, National Institute of Astrophysics, Mexico

'I just wanted to thank you once more, specially for the possibility to travel to Armenia and for the great hospitality and generous support. The choice of the conference site was absolutely perfect and I think that also scientifically the meeting was a great success; I have very much enjoyed almost the totality of the talks.'

Samo Kralj, University of Maribor, Slovenia

'I would like to thank you again for enabling me to attend your conference which was excellent. I enjoyed both high quality lectures and also beautiful countryside…'

Sin-Doo Lee , Seoul National University, Korea

'…I really enjoyed every moment at Yerevan…'

Stefania Residori, University of Nice, France

'I very much thank you for everything, the conference was very interesting and perfectly organized and I have been feeling very well to stay in Armenia. I was very much impressed by the welcome that I have received at the airport and by the organizers of taking care of every detail and let us enjoy a perfect stay. I have discussed with your students and found them very prepared and motivated for science.'

Tamas Kosa, COO, AlphaMicron Inc., USA

'It was wonderful to see you all in Yerevan where our Armenian colleagues spared no effort to treat us with a most exciting scientific as well as social program. My thanks reach from Ohio to Armenia. I look forward to seeing you again, if not earlier then at the next OLC.'

Victor Reshetnyak, T. Shevchenko University of Kyiv, Ukraine

'Thank you very much for the great time in Erevan. We enjoyed very much the conference and tours.'

Yuriy Reznikov, Institute of Physics, Ukraine

'Thanks a lot for the excellent conference and meeting with old friends. All was great and Yerevan became a tremendous beautiful city! Thanks again and regards to all Armenian friends.'