Tomas B. Hirschfeld

Tomas B. Hirschfeld's AcademicInfluence.com Rankings

Tomas B. Hirschfeld

Physics

#7694

World Rank

#9743

Historical Rank

physics Degrees

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Physics

Tomas B. Hirschfeld's Degrees

PhD Physics University of California, Berkeley
Masters Physics University of California, Berkeley
Bachelors Physics Stanford University

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Tomas B. Hirschfeld's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Internal Reflection Spectroscopy (1967) (451)
FT-Raman Spectroscopy: Development and Justification (1986) (337)
Optical microscopic observation of single small molecules. (1976) (275)
Selection of adsorbates for chemical sensor arrays by pattern recognition (1986) (185)
Quantum efficiency independence of the time integrated emission from a fluorescent molecule. (1976) (158)
Remote spectroscopic analysis of ppm‐level air pollutants by Raman spectroscopy (1973) (84)
Single fibre optic fluorescence pH probe (1987) (79)
Effect of numerical aperture on signal level in cylindrical waveguide evanescent fluorosensors. (1987) (77)
Chemical Sensing in Process Analysis (1984) (71)
Computer resolution of infrared spectra of unknown mixtures (1976) (69)
Fellgett's Advantage in uv-VIS Multiplex Spectroscopy (1976) (68)
Salinity Determination Using NIRA (1985) (67)
The hy-phen-ated methods (1980) (61)
A New Method for Obtaining Individual Component Spectra from Those of Complex Mixtures (1984) (56)
Combined blood cell counting and classification with fluorochrome stains and flow instrumentation. (1976) (56)
Short range remote NQR measurements (1980) (53)
Multivariate Linearity Transformations for Near-Infrared Reflectance Spectrometry - (2017) (53)
Organic analysis with a combined capillary gas chromatograph mass spectrometer Fourier transform infrared spectrometer (1982) (53)
Unique-sample selection via near-infrared spectral subtraction. (1985) (52)
Elimination of Thin Film Infrared Channel Spectra in Fourier Transform Infrared Spectroscopy (1976) (50)
Near-Infrared Reflectance Analysis by Gauss-Jordan Linear Algebra (1983) (48)
DETECTION OF ULTRA-TRACE LEVELS OF URANIUM IN AQUEOUS SAMPLES BY LASER INDUCED FLUORESCENCE SPECTROMETRY (1981) (47)
Feasibility of using fiber optics for monitoring groundwater contaminants. II. Organic chloride optrode (1983) (45)
Subsurface Layer Studies by Attenuated Total Reflection Fourier Transform Spectroscopy (1977) (45)
Fourier Transform Nuclear Quadrupole Resonance Spectroscopy (1982) (41)
Instrumentation in the Next Decade (1985) (39)
Near-infrared determination of several physical properties of hydrocarbons (1985) (39)
A generalized machine for automated flow cytology system design. (1976) (38)
Range independence of signal in variable focus remote Raman spectrometry. (1974) (33)
Virometer: an optical instrument for visual observation, measurement and classification of free viruses. (1977) (33)
New trends in the application of Fourier transform infrared spectroscopy to analytical chemistry. (1978) (31)
Fluorescence background discrimination by prebleaching. (1979) (30)
Number of Samples and Wavelengths Required for the Training Set in Near-Infrared Reflectance Spectroscopy (1984) (29)
Direct Recording of Intermolecular Interaction Perturbation Spectra by Fourier Transform Spectroscopy (1975) (28)
Laser-fiber-optic "optrode" for real time in vivo blood carbon dioxide level monitoring (1987) (27)
Instrumental Requirements for Absorbance Subtraction (1976) (26)
Diagnosis and correction of wedging errors in absorbance subtract Fourier transform infrared spectrometry (1979) (24)
An FT-IR Advantage Counter to the Jacquinot or Throughput Advantage (1985) (24)
Fourier Transform vs Hadamard Transform Spectroscopy. (1973) (22)
Accuracy and Optimization of the Two Prism Technique for Calculating the Optical Constants from ATR Data (1970) (21)
Effective quantum efficiency of photodetectors for photon energies much larger than threshold. (1976) (21)
Integration and “Matched Window” Signal Noise Enhancement of Weak Spectral Peaks (1976) (21)
Near-Infrared Spectrophotometric Methods Development with a Limited Number of Samples: Application to Carbonate in Geological Samples (1985) (19)
Improvements in photomultipliers with total internal reflection sensitivity enhancement. (1968) (18)
The Implications of Fluctuation Noise in Multiplex Spectroscopy (1976) (17)
Clinical Measurements Using Fiber Optics And Optrodes (1984) (17)
Studies of Gaseous Flame Combustion Products by Raman Spectroscopy (1974) (15)
Correction of Raman Cross Section from Laboratory to Remote Spectrometer Geometries (1973) (15)
Optimization of Diffuse Reflectance Infrared Spectroscopy Accessories (1986) (13)
16 – Near-Infrared Reflectance Analysis of Foodstuffs (1984) (12)
Determination of Wavelength Scale Repeatabilities in Computerized Spectrometers (1975) (12)
Digitization Noise in Fourier Transform Infrared Spectroscopy and Gain Ranging (1979) (11)
Virometer: Real Time Virus Detection and Identification in Biological Fluids (1977) (11)
High-Sensitivity Attenuated Total-Reflection Spectroscopy (1966) (11)
Procedures for attenuated total reflection study of extremely small samples. (1967) (11)
Multiple order spectra in Fourier transform infrared spectroscopy. (1977) (10)
Fourier Transform Raman Spectroscopy (1974) (10)
Comparison of inner filter effects in “front face” and total reflection fluorescence (1978) (10)
Upper Boundaries to the Extent of the Jacquinot or Throughput Advantage in Fourier Transform Infrared Spectroscopy (1977) (10)
Optimum Diameter of Fourier Transform Infrared Microsampling Cell (1976) (9)
Wavenumber Scale Shift in Fourier Transform Infrared Spectrometers Due to Vignetting (1976) (9)
Relationships between the Goos-Hänchen Shift and the Effective Thickness in Attenuated Total Reflection Spectroscopy (1977) (9)
Measurement of Highly Nonuniform Samples by Fourier Transform Infrared Spectroscopy (1977) (9)
Limits of analysis (1976) (9)
Determination of optical constants by ATR measurements (1966) (8)
Ideal FT-IR Spectrometers and the Efficiency of Real Instruments (1986) (7)
Conventions and values for the multiplex advantage in Fourier transform spectroscopy. (1977) (7)
The Measurement of a ∼60000:1 rms Signal/Noise Ratio in Fourier Transform Infrared Spectroscopy (1977) (7)
The Choice between Absorption and Fluorescent Techniques (1977) (7)
Remote and in-situ analysis (1986) (7)
Lens and Wedge Absorption Cells for FT-IR Spectroscopy (1985) (7)
Optimizing Fourier Transform Spectrometer Beam Splitters for High Efficiency and Minimum Polarization (1975) (7)
Computerized Infrared: The Need for Caution (1987) (7)
Modifications in photomultipliers with total internal reflection enhanced sensitivity. (1966) (6)
Instrumentation for remote sensing over fiber optics (1983) (6)
Accuracy and Optimization of the Two Polarization Technique for Obtaining the Optical Constants from Attenuated Total Reflection Measurements (1978) (6)
Optical communication at the source bandwidth limit. (1977) (6)
Variable Field of View Fourier Transform Infrared Spectroscopy (1977) (6)
On the Nonexistence of Nonfluorescent Compounds and Raman Spectroscopy (1977) (6)
Fourier Transform Spectroscopy with Imperfect Blackbody Sources (1977) (5)
Operations on ultrashort pulses using “flat” lenses (1978) (5)
Laser stereometry (1977) (5)
Sorption detector system for chemical agents detection and recognition (1984) (5)
Solution for the Sample Contact Problem in ATR (1967) (5)
Long Path Infrared Spectroscopic Detection of Atmospheric Pollutants (1974) (5)
Dynamic range improvement in Fourier transform infrared spectrometry (1978) (5)
Virometer - Real-Time Virus Detection And Identification In Biological Fluids (1977) (5)
Propagation of ultrashort pulses through lenses. (1977) (5)
Sample Area Optimization in a Diffuse Reflectance Near-Infrared Spectrophotometer (1985) (4)
White-light interferometry and phase-locked pulse analysis. (1977) (4)
Using ASTM Standard Guide G 88 To Identify and Rank System-Level Hazards in Large-Scale Oxygen Systems (2003) (4)
Instantaneous source wavelength identification with a minimal number of detectors. (1985) (4)
The Time-Frequency Error Product in Time-Resolved Spectroscopy (1976) (4)
Control of the Dispersion Error in Quantitative IR Spectroscopy (1975) (3)
Fiber optics temperature and pressure probe (1983) (3)
Background reduction in fluorochrome staining (2005) (3)
Next stage in laboratory robotics (1985) (3)
Inmersion Microsampling for Fourier Transform Infrared Spectroscopy (1977) (3)
An Improved Resolution Criterion (1964) (2)
Process, product, and waste-stream monitoring with fiber optics (1983) (2)
Making laboratory reports easier to read. (1989) (2)
REMOTE RAMAN SPECTROSCOPY (1971) (2)
Scatter eliminated spectrometry by Fourier transform infrared spectrometry (1978) (2)
Benefits of Signal Modulation within the Electrical Bandpass of a Fourier Transform Spectrometer: Fourier Transform-Raman Spectroscopy? (1978) (1)
New Applications for the DuPont 310 Analog Curve Resolver (1968) (1)
A Possible Fourier Transform Laser Spectrometer for Tunable Lidar and Laboratory Spectroscopy (1982) (1)
A COMPARISON BETWEEN FOURIER TRANSFORM SPECTROSCOPY AND CONVENTIONAL SCANNING TECHNIQUES. (1969) (1)
Fourier Transform Infrared Measurements of Nearly Transparent Gases (1976) (1)
Remote and in-situ composition analysis: Have your cake, eat it too (1986) (1)
FOURIER TRANS FORM RAMAN SPECTROSCOPY (1974) (1)
Fiber-optic sensors for use in the geothermal well (1986) (1)
The use of sample additives in flame emission spectrometry (1986) (1)
Discrimination of monostereoisomers in asymmetric solvents by Fourier transform infrared spectrometry (1978) (1)
Patents and literature (1985) (1)
Focal Shift Photometric Errors in Fourier Transform Infrared Spectroscopy (1978) (1)
Advanced fiber optical chemical sensing networks (1986) (1)
Learning Algorithms In The Infrared (1985) (1)
Detection of chemical vapor mixtures by sorption on multiple piezoelectric crystals (1985) (0)
Society Awards and Awardees Ian R. Lewis and Bonnie Saylor (2018) (0)
Laser range profile extraction to submillimeter absolute accuracies (A) (1976) (0)
Optical Fiber Chemical Sensing Networks (1987) (0)
Test device and method. (1984) (0)
Erratum: Near-infrared reflectance analysis by Gauss-Jordan linear algebra [App. Spec. 37, 491 (1983)] (1984) (0)
Oscillations in Laser Spectroscopic Measurements Due to Fiber Transients (1986) (0)
Collector Size or Range Independence of SNR in Fixed-Focus Remote Raman Spectrometry. (1974) (0)
Total Internal Reflection Enhancement of Photodetector Performance (1970) (0)
Minimally refined biomass fuel. [carbohydrate-water-alcohol mixture] (1981) (0)
A method for performing immunoassay of a sample liquid in a flow cell, and apparatus for carrying out the method (1986) (0)
Spectrorefractometry and Absorption Spectroscopy (1981) (0)
Fourier Transform vs Hadamard Transform Spectroscopy: Authors' Reply to Comments. (1974) (0)
Unconventional Spectral Processing (1976) (0)
Second-order spectra in Fourier transform IR spectroscopy (A) (1976) (0)
DIRECT RECORDING OF INTERMOLECULAR INTERACTION SPECTRA BY FTS (1974) (0)
Apparatus and process for carrying out fluorescence immuno-analysis (1986) (0)
Hy-phen-ated methods. [Combined methods, such as gas chromatography-mass spectroscopy] (1980) (0)
Unconventional spectroscopy : [seminar] August 24-25, 1976, San Diego, California (1976) (0)
Elastomer degradation sensor (1989) (0)
Remote Detection Techniques (1973) (0)
An optical apparatus for performing immunoassays (1986) (0)
Method and apparatus for analyzing a fluid sample (1986) (0)
A Method for Matching Refractive Indexes at Two Wavelengths for Light Modulators and Frequency Doublers (1967) (0)
Shift Reagents In Fourier Transform Infrared (FTIR) (1981) (0)
Minimally refined biomass fuels: an economic shortcut (1980) (0)
Concentrometer. Minimum version of a continuous, real time, automatic, direct-reading titrimeter (1973) (0)
The Scope Of Fourier Transform Infrared (FTIR) (1981) (0)
Raman/FTIR spectroscopy of oil shale retort gases (1982) (0)
United States Patent ( 19 ) Hirschfeld ( 54 ) ELECTRO-OPTICAL SPECTROMETER (2017) (0)
Fiber-optic sensors using Forster energy transfer (1986) (0)
Attenuated total reflection enhanced photoejection from cathodes Final report (1969) (0)
A novel approach to abrasion resistance (1988) (0)
Elementary Comparison Between the Theoretical Capabilities of Hadamard and Fourier Transform Spectrometry (2003) (0)
Portable field sorption detector for the detection and recognition of chemical agents (1986) (0)
Other Infrared (IR) Transform Spectroscopies (1981) (0)
Applications of optics in medicine and biology : [seminar] August 26-27, 1976, San Diego, California (1977) (0)
Real Time Measurement And Observation Of Viruses In Biological Fluids (1977) (0)
Picogram Fourier transform-Infrared (FT-IR): Ultramicrosampling And Gas Chromatograph-Infrared (GC-IR) (1985) (0)
Quoting of Unpublished Reports (1966) (0)
Guest Editorial-The Instrumentation Of Environmental Optics: Remote Studies Of The Atmosphere (1980) (0)
A Simple Very High Temperature Cell for Raman Spectroscopy (1975) (0)

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What Schools Are Affiliated With Tomas B. Hirschfeld?

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