Customer Testimonials


“Hyperspectral laser-line imaging makes high demands on the imaging capabilities of the spectrograph (SPG). We used Princeton Instruments IsoPlane 160, which features aspherical optics that greatly reduces astigmatism and coma aberrations at all wavelengths across the entire focal plane. This makes the spectrograph particularly suitable for multichannel spectroscopy, in our case the Raman line-imaging, due to the reduced cross-talk. Additionally, sharp focusing yields higher signal-to-noise ratios for single spectral features.”

Prof. Dr. Jürgen Popp, Jena University, Germany

IsoPlane 81 (formerly known as FERGIE)

“One of the ways we use FERGIE is together with a custom-made confocal microscope to collect single-particle fluorescence and scattering data that is then correlated with electron microscopy data.”

Dr. Denis Boudreau, Université Laval Center for Optics Photonics and Lasers (COPL), Québec, Canada

“I can honestly say FERGIE is changing the way we do spectroscopy in our lab.”

“Already my students are spending most of their time thinking about which measurement to do next rather than setting up the current measurement.”

“This is opening up a lot of possibilities, especially for undergrad students, who only have a few hours per week on their projects.”

Dr. Mark Waterland, Institute of Fundamental Sciences, Massey University. New Zealand

“The ability to set up FERGIE so quickly… no alignment was necessary… allowed me to focus on integrating it within the experiment straight away.”

“Once FERGIE was integrated into the experiment setup, I was free to determine the triggering and able to produce relevant time-dependent data within a single measurement day.”

“The time scale can be reduced by a factor of 5x to 6x by reducing the spectra kinetics window height.”

Dr. Daniel Stone, NERC Fellow/University Academic Fellow, School of Chemistry, University of Leeds, UK

“It is very impressive for such a compact system [FERGIE] to achieve diffraction-limited images and spectra. It means we can attain higher spatial resolution, which is very helpful for us to differentiate normal and diseased tissues in future applications. We may use IntelliCal intensity calibration to make the spectra even more accurate.”

“For fluorescent spectroscopy mapping applications, acquisition speed is crucial. FERGIE’s frame-transfer readout ensures fast and consecutive capture of many spectra.”

Dr. Lingling Chen, 副教授陈玲玲, College of Optoelectronic Engineering, Shenzhen University, P.R. China

“We obtained very sharp images with FERGIE, which is not possible with a Czerny-Turner spectrometer. The aberration-free design is very impressive. This feature is extremely helpful to us when we navigate and search for individual QDs before taking spectral data.”

“I noticed the true spectrum-resolving power delivered by the aberration-free design. Peaks in a spectrum are symmetric and sharp, permitting the clear distinction of two adjacent signals.”

Dr. Haiyan Qin,(秦海燕副研究员), Department of Chemistry, Zhejiang University, P.R. China

FERGIE is a very compact system. The modular design makes it extremely convenient to use with microscopes, either by fiber or direct coupling.”
“FERGIE体积非常小, 加上其模快化设计,与显微镜连用(光纤和空间光耦合)很方便。”

“Although small, FERGIE has good sensitivity. Raman spectra of graphene and silicon can be obtained by this smart system combined with a homemade micro-Raman module.”

“The [LightField] software is quite easy to use. For example, you can choose a region of interest [ROI] on the CCD very quickly and accurately thanks to its imaging capabilities.”

Prof. Dr. Ping-Heng Tan, Institute of Semiconductors Chinese Academy of Sciences, 谭平恒研究员 中国科学院半导体研究所

FERGIE is so simple to use; we have seen great SERS results.”

“I can teach undergraduates with no experience in optics or spectroscopy to operate the system in less than one hour.”

“With all of the features, FERGIE will be great for instrumental teaching labs since it is so versatile.”

Dr. Nilam C. Shah, Department of Chemistry, Lake Forest College, USA

FERGIE delivers very fast data acquisition.”

FERGIE is easy to use, install, configure, and set up.”

FERGIE offers a lot of convenience, all in one system.”

Dr. Kenan Gundogdu, North Caroline State University, Raleigh, USA

“The FERGIE system’s small footprint and easy integration make it a perfect fit for our lab.”

“FERGIE provides the reliable in-line performance this type of work demands.”

“FERGIE’s fast data acquisition and strong band intensity proved highly beneficial to our research.”

Dr. Rajesh N. Davé, New Jersey Center for Engineered Particulates, Otto H. York Department of Chemical and Materials Engineering, USA

“We can switch FERGIE from the microscope to a microfluidic flow chamber to the connectorized fiber sensor in mere minutes. It’s a fantastic tool.”

Victor Azzi, Université Laval Center for Optics Photonics and Lasers (COPL), Québec, Canada

FERGIE works so conveniently with microscopes that the system can be set up in 5 minutes. Its slit design makes switching between the acquisition of images and spectra much easier.”

Guiye Li, 研究生李贵叶, College of Optoelectronic Engineering, Shenzhen University, P.R. China

“I like the LightField software a lot. It was sensibly designed for scientific imaging and spectroscopy. The user interface is very friendly. Moreover, its data processing abilities enable us to directly analyze our results.”

Dr. Na Wang, (王娜博士), Department of Chemistry, Zhejiang University, P.R. China

“I can clearly see the improvements offered by FERGIE over the Czerny-Turner spectrometer. The signal-to-noise ratio is almost 4 times better in the same conditions. In addition, the high-resolution performance helps me easily obtain the best focus of the microscope.”

Hu Zhuang, (胡壮,博士生)Department of Chemistry, Zhejiang University, P.R. China

NIRvana Family

“The new InGaAs focal plane array detector has allowed our research group to easily extend our imaging spectroscopy techniques into the near-infrared regime. Combining a NIRvana with an eXcelon ProEM camera has enabled us to rapidly acquire 2D images from 400nm-1700nm on the same SP2300i spectrograph. Unlike other InGaAs 2D detectors we tested, the TE cooling and background subtraction features have allowed us to easily acquire long exposures to resolve photoluminescence from very dilute emitter samples.”

Dr. Rashid Zia, School of Engineering, Brown University, USA

“The unprecedented long integration times and low dark counts [of the NIRvana:640LN] enabled single-nanocrystal spectral experiments, which cannot be achieved with conventional InGaAsdetectors for these dots.”

Dr. Han Htoon, Center for Integrated Nanotechnologies (MPACINT), Los Alamos National Laboratory, USA


“The new PI-MAX4:512EM has advanced our time-resolved SRS spectroscopy technique to the next level. It allowed us to capture spectra at a sampling rate of 10 kHz to keep pace with our new high-frequency laser and enabled our novel effort to develop time-series multi-scalar diagnostics in a high-pressure combustor at NASA Glenn Research Center.

Unlike an EMCCD camera where gating capability is limited, the ultrafast gating of the emICCD permits me to gate-out background optical flame emission far better — without sacrificing the superior sensitivity, signal gain, and dynamic range of the EMCCD chip.”

Dr. Jun Kojima, Principal Scientist, Ohio Aerospace Institute, USA


BLAZE is a miracle!  I am as excited to try it as when I bought an iPad. BLAZE enables us to perform the world’s fastest ultra-broadband CARS spectroscopic imaging,” 

Prof. Hideaki Kano, Tsukuba University, Japan


“Over the past 35 years, Princeton Instruments has produced iconic cameras, spectrometers, and software — advanced scientific tools utilized by leading researchers and Nobel laureates around the world. SOPHIA extends this lineage of innovation. With ArcTec cooling technology, brand-new readout electronics, and a USB 3.0 interface all integrated via our acclaimed LightField software, we believe no other scientific-grade low-light detector can match SOPHIA’s performance and ease of use.”

Ravi Guntupalli, VP Sales & Marketing, Teledyne Princeton Instruments, USA


“We have used the Princeton Instruments LightField software for all acquisitions with our PI-MAX4 cameras. The ease of use, to get up and going quickly, was essential for our project ‘Cherenkoscopy based radiation therapy’, and this tool was exactly the right fit for our research”.

Prof. Brian Pogue, Dartomouth College, USA

“We have been using the Princeton Instruments LightField software for all acquisitions with our PI-MAX4 cameras. Its intuitive interface and embedded analytical functions allows us to get up and going quickly, and do image processing on-the-fly. Overall this tool has been essential for our research on fast X-ray imaging of dynamic compression processes.”

Dr. Dan Eakins, Imperial College, UK

“Our research group uses imaging spectrographs from Princeton Instruments to acquire Fourier-resolved photoluminescence data from lanthanide ions, organic molecules, and semiconductor quantum dots. Using LightField and its new IntelliCal feature, we have been able to rapidly shift between different detectors and grating sets to work over a broad spectral range. LightField’s novel interface allows each user to customize his or her experiments, and the automated IntelliCal routine provides an easy and accurate way to perform both wavelength and intensity calibration in just a few minutes.”

Prof. Rashid Zia, Brown University, USA

LightField integrated with LabVIEW allows the Van Duyne Group to easily collect spectra and synchronize data collection with other instrumentation. In addition, using LightField enables 1kHz frame rates from a PIXIS 100B camera to maximize signal to noise for Femtosecond Stimulated Raman Spectroscopy (FSRS).”

Jon A. Dieringer, Northwestern University, USA

“We are using the PIXIS camera and an Acton Spectrograph to analyze gases in the atmosphere though UV/Visible spectroscopy. Measurements are made for many hours at a time so we use an Add-In to the LightField software for our data acquisition which allows us to easily start our experiment and save the data to multiple files without user intervention.”

Dr. Louisa Kramer, Michigan Tech University, USA

“Unsere Fachgruppe am LTTT beschäftigt sich mit der Weiterentwicklung und Applikation von optischen (Laser-) Messtechniken mit besonderem Schwerpunkt auf der Analyse und Optimierung der gesamten motorischen Wirkkette. Die intuitive Bedienbarkeit und die individuelle Anpassungsmöglichkeit der Software Lightfield erlaubt uns eine schnelle und einfache Datenaufnahme an unseren vielfältigen Experimenten. In der Kombination mit PI-MAX4-Kameras profitieren wir dabei besonders vom [PI-MAX4] SuperSynchro timing-Generator, so dass eine sehr präzise zeitliche Steuerung mittels Lightfield möglich ist.”

“Our specialist group on LTTT deals with the development and Application of optical (laser) measurement techniques with particular emphasis on the analysis and optimization of the engine operation. With its intuitive operation, LightField allows us to data acquisition in various experiments quickly and easily. In combination with PI MAX4 cameras we benefit particularly from [PI-MAX4] SuperSynchro timing generator interface, which makes very precise timing possible, using LightField.”

Dr. Sebastian Lehmann, University of Bayreuth, Germany

“We use the Princeton Instruments Lightfield software to control our PI-MAX and PIXIS cameras and an Acton spectrometer. These are used for optical spectroscopy with the laser-heated diamond anvil cell at our synchrotron beamline. For this application we need to control Lightfield from the EPICS beamline control system, which has worked very well.” 

Mark Rivers, Advanced Photon Source, Argonne National Laboratories, USA