New book on organic photonics including terahertz physics co-authored by members of Rainbow Photonics:
"Organic Electro-Optics and Photonics", L. R. Dalton, P. Günter, M. Jazbinsek, O-P. Kwon and P. A. Sullivan, Cambridge University Press, Cambridge (2015)

New product: TeraSys®- AiO, featuring TDS spectroscopy in transmission, reflection, and imaging, all options in one system up to 14 THz.

Photonics West (oral presentation): "High efficiency, wide bandwidth THz generation in organic crystals OH1 and DSTMS (February 10, 2015, 1:50 pm)

Invited talk "Opportunities and challenges of a Swiss SME in European research projects" during the official Launch of the new EU-program Horizon 2020

The FET-Open project COSIT was successfully completed. The final project review was held on the 28th of January 2014 in Zurich. Public Summary

Terahertz Generators and Detectors:
Electro-Optic DSTMS Crystals

DSTMS: 4-N,N-dimethylamino-4’-N’-methyl-stilbazolium 2,4,6-trimethylbenzenesulfonate

High quality DSTMS crystals Organic crystals polished, coated and mounted for optical applications
Example of an as-grown DSTMS crystal and organic crystals polished, coated and mounted for optical applications. DSTMS and other high-quality organic crystals are produced and optically prepared in the facilities of Rainbow Photonics in Switzerland.


  • High quality crystals
  • Cut and polished for various applications
  • Large nonlinear optical susceptibilities
  • Phase matching for THz generation between 720 nm and 1650 nm


  • Efficient THz generation and detection from 0.3 to >16 THz
  • Fast electro-optic modulation
  • Optical parametric generation
  • Efficient frequency doubling of 1.55 μm radiation

pdf Please download the PDF for further information on this product


Further reading

“Optical properties of 4-N,N-dimethylamino-4'-N'-methyl-stilbazolium 2,4,6-trimethylbenzenesulfonate crystals at terahertz frequencies”; M. Stillhart, A. Schneider and P. Günter, J. Opt. Soc. Am. B 25, 1914-1919 (2008).

“Large-Size Bulk and Thin-Film Stilbazolium-Salt Single Crystals for Nonlinear Optics and THz Generation”; Z. Yang, L. Mutter, M. Stillhart, B. Ruiz, S. Aravazhi, M. Jazbinsek, A. Schneider, V. Gramlich, P. Günter, Adv. Funct. Mater., 17, 2018-2023 (2007).

“Linear and nonlinear optical properties of the organic crystal DSTMS”; L. Mutter, F. Bruner, Z. Yang, M. Jazbinsek, P. Günter, J. Opt. Soc. Am. B24, 2556-2560 (2007).

“Spatiotemporal Focusing Dynamics of Intense Supercontinuum THz Pulses”; C. Ruchert, C. Vicario and C. P. Hauri,Phys. Rev. Lett. 110, 123902 (2013).

pdf List of publications: THz generation using our organic crystals DAST, DSTMS & OH1


Please contact us for further information

Upcoming Events:

SPIE Photonics West 2017
January 31 - February 2, 2017
San Francisco, USA
Booth # 5235

June 26-29, 2017
Munich, Germany


Recent Events:

Symposium on Frontier of Terahertz Science III
November 23-25, 2016
Fukui, Japan

March 15-17, 2016
Shanghai, China
NewOpto Corporation
Booth # W4.4161

SPIE Photonics West 2016
February 16-18, 2016
San Francisco, USA
Booth # 5333

InterOpto 2015
October 14-16, 2015, Pacifico, Yokohama, Japan
Invited lecture: "Wide Bandwidth THz-Instruments for Spectroscopy and Materials Testing"

IRMMW - THz 2015
August 23 - 28, 2015
The Chinese University, Hongkong
Booth 28 from NewOpto Technology Corporation

June 22-25, 2015
Munich, Germany
Booth # 459

Laser World of Photonics China 2015
NewOpto Technology Booth # N2.2786 (Product Demonstration)
March 17 - 19, 2015
Shanghai, China

SPIE Photonics West 2015
February 7-12, 2015
San Francisco, USA
Booth # 5211

OPIE 2014
April 23-25, 2014
Pacifico Yokohama, Japan
(Product Presentation)

SPIE Photonics West 2014
February 1-6, 2014
San Francisco, USA
Booth # 5205

October 8-10, 2013
Paris expo Port de Versailles
Opton laser International
Booth # M28

October 16-18, 2013
Japan Laser Corporation (JLC)
Booth # I-024

IRMMW-THz 2013
September 2-5, 2013
Mainz, Germany

May 13-16, 2013
Munich, Germany

Laser World of Photonics China 2013
March 19-21, 2013
Shanghai, China

SPIE Photonics West 2013
February 5-7, 2013
San Francisco, USA

© 2012 Rainbow Photonics AG. Last change: 26-Aug-2013

Rainbow Photonics AG, Farbhofstrasse 21, CH-8048 Zürich, Phone: +41 44 419 05 05, Fax: +41 44 419 05 06
E-Mail: info@rainbowphotonics.com