Ocean Optics

Ocean Optics Europe Soerense 2and4a 6961 LL Eerbeek The Netherlands www.topsensors.nl... 

TP300 Ocean Optics pH (wide range) reflectance based, fiber bundles www.oceanoptics.com... 

Figure 6.1 FOXY oxygen sensor probe. (Photo courtesy of Ocean Optics, Inc.)... 

Figure 6.2 A bifurcated optical fibre is used to carry light to a probe. The hose tip consists of a thin layer of hydrophobic sol-gel material doped with a ruthenium complex which senses oxygen and reveals its content. (Image courtesy of Ocean Optics.)...

Figure 6.8 Labelled RedEye oxygen patch (Ocean Optics).

R. M. Bukowski, R. Ciriminna, M. Pagliaro and F. V. Bright, Anal. Chem., 2005, 77, 2670. For instance, a new easy-to-use handheld optical sol-gel oxygen sensor (named FOXY-LITE, see also the website http //www.oceanoptics.com) with a response time of less than one second is commercialized at 1999 since March 2004 by the US company Ocean Optics Ltd. 

Fig. 20a.5. Schematic of a fluorescence-based optical sensor for oxygen. Courtesy of Ocean Optics, Inc.

Bidigare, R.R., and C.C. Trees. 2000. HPLC phytoplankton pigments Sampling, laboratory methods, and quality assurance procedures. Pp. 154-161 in Ocean Optics Protocols for Satellite Ocean Color Sensor Validation, Revision 2, J. Mueller and G. Fargion, eds., NASA Technical Memorandum 2000-209966. 

Carl Zeiss, Inc. also describes a spectrofluorometer system for process monitoring," but it does not currently appear as a standard marketed product on their web site. HORIBA Jobin Yvon also markets a fluorescent process analyzer, but it is a laser-induced time-domain based measurement system tailored for uranium or equivalent analysis." Finally, while numerous miniature spectrofluorometers are also available (Carl Zeiss, StellarNet Inc., Ocean Optics and Avantes), they are not packaged and configured for process applications. Although there is an established need and continued growing interest in realtime process spectrofluorometry, relative to conventional process spectroscopic instruments such as NIR, UV-vis and Raman, commercial process spectrofluorometers are currently available on a very limited basis. 

Figure 11.29—A PC-plug-in spectrophotometer. This instrument is a fully integrated system for colorimetric analysis. The source is linked by an optical fiber to the diode array detector fixed onto the card (Model CHF.M2000 reproduced by permission of Ocean Optics Europe.)...

Figure 19-19 Fiber-optic sensor measures 02 by its ability to quench the luminescence of Ru(ll) at the tip of the fiber. A blue-light-emitting diode provides excitation energy. [Courtesy Ocean Optics, Dunedin, FL.]... 

Fig. 3.9. Enhancement of transmission Raman signal using a standard dielectric band-pass filter (BF) placed within the laser beam into the proximity of sample. The Raman spectra are those of a standard paracetamol tablet measured with (with band-pass filter) and without (bare) the filter. The spectra are offset for clarity. The acquisition times were 1 s in both cases with a laser power of 250 mW (827 nm). The spectra were detected with an Ocean Optics spectrograph equipped with a detector array cooled to -15° C...

Kondratyev K.Ya. and Isidorov V.A. (2001). Global carbon cycle. Atmosphere and Ocean Optics, 14(1), 1-10 [in Russian],... 

The experimental setup for the PDMS-E microreactor system is shown in Fig. 5. Reactor effluent was analyzed by a Hewlett Packard 1100 HPLC (UV-Vis detector) and an Ocean Optics SD 2000 UV-Vis Spectrometer with fiberoptic flow analysis "Z" cells (FIA Lab). 

The UV visible measurements are performed using a commercial HR 2000 high-resolution fibre optic Ocean Optics spectrophotometer equipped with a halogen light source HL2000. The detector is a linear silicon CCD array. The spectral resolution measured with a Hg-Ar calibration lamp is better than 0.2 nm. 

Yentsch, C., and Phinney, D. (1997) Yellow substances in the coastal waters of the Gulf of Maine Implications for ocean color algorithms. In Ocean Optics XIII (Ackleson, S.G., ed.), pp. 120-131, SPIE Proceedings 2963. 

Of the five probes evaluated only Probes 1, 3, and 5 were worth evaluating in detail, as the others had small Stokes shift (excitation wavelength, /v, minus emission wavelength, /Vln) or no detectable emission. Fluorescence behavior was measured using a Zeiss LSM 510 Laser Scanning Confocal Microscope (LSCM) and an Ocean Optics USB2000 spectrometer. 

Figure 2-29 Raman Systems Model R2001 from Ocean Optics. Both the laser and the spectrometer are contained in the single unit. (Reproduced with permission from Ocean Optics.)...

Suitable absorption/emission spectrometers such as Ocean Optics UV-Vis USB2000, Agilent 8453 diode array, Perkin Ehner LS50B several glass cuvettes. Selenium cadmium oxide trioctylphosphine oleic acid 1-octadecene. 

Visible-Ultraviolet Spectrophotometers. Many commercial spectrophotometers are suitable for the experiments in this text. Often, for instructional purposes, greater insight and more flexibility can be obtained by assembly of an instrument from modular components, available from such sources as Thermo Oriel, Optometries USA, Ocean Optics, or other companies. More commonly an integrated instrument is used to provide greater reliability under use by relatively large numbers of students of varying backgrounds. 

Wroblewski, J. S. (1989). A model of the spring hloom in the North Atlantic and its impact on ocean optics. LimnoL Oceanogr. 34, 1563—1571. 

Kudela, R. M., and Chavez, P. P. (1997). Estimating new production from the quantum yield of nitrate uptake. Proceedings of the SPIE, Ocean Optics XIII2963, 471—476. 

Initially, the performance of the PMP sensor was evaluated with a 1/2 metre monochromator equipped with a CCD detector to obtain figures of merit. The sensor was also evaluated using a fibre optic spectrometer from Ocean Optics, Model S2000. The sensor used to determine the limit of detection (LOD) consisted of a 400 mm optical fibre with a tapered end. A 50-75 mm layer of the 3 mole % complex polymer was directly deposited onto the tapered end without vinyl-silanisation. Using 1 mW of 465.8 nm for excitation, 200 pm entrance slits of the... 

The quickest path to the fabrication of an optical sensor is to make a film that can be used in one of the commercially available film holders such as the one from Ocean Optics. Since absorbance-based probes require a differential measurement, they employ three fibres with source, signal and reference legs. The need for two spectroscopic channels is usually avoided by storing a reference spectrum. For luminescence measurements, the reference leg can be ignored or used to correct the spectra for variations in source intensity. A similar commercial probe was employed by Kriz and Mosbach [33]. 

Figure 32. UV dip probe based on light guides, from Ocean Optics.

PL and PLE spectra of the composite opal/garnet were obtained by using the xenon lamp (450 W) connected to Triax 180 Jobin Yvon monochromator. In both cases Ocean Optics HR 4000 spectrometer has been used for detection. 

Several very small photo-diode arrays are commercially available. The first commercial units were built by Ocean Optics (Dunedin, FL), but they are now available from several sources. These devices are based on the light (postsample, either diffusely reflected or transmitted) impinging upon a very small fixed grating then onto a series of diodes with minimum spacers between them. While the number of diodes and resolution of the array is limited, the small size and high speed of this type of instrument may compensate for the lack of resolution in a variety of applications and may provide certain advantages in the appropriate setting. 

---