Catalog excerpts
Compact and thin, built-in high-sensitivity CMOS image sensor for Raman spectroscopy The mini-spectrometer TF series is a polychromator provided in a compact, thin case that houses optical elements, image sensor, and driver circuit. Spectrum data can be acquired by guiding measurement light into a mini-spectrometer through an optical fiber and transferring the measured results to a PC via the USB connection. The incorporation of a high-sensitivity CMOS image sensor maintains high sensitivity equivalent to that of a CCD and achieves low power consumption. Moreover, the trigger function that can be used for short-term integration enables spectroscopic measurement of pulse emissions. The product includes evaluation software with functions for setting measurement conditions, acquiring and saving data, drawing graphs, and so on. Furthermore, the DLL function specifications are disclosed, so users can create their original measurement software programs. Compact, thin case Raman spectroscopy Low stray light due to the adoption of a double grating, high spectral resolution 0.4 nm High-sensitivity CMOS image sensor built in (high sensitivity equivalent to that of a CCD) With trigger function High throughput using quartz transmission grating External power supply not necessary (USB bus powered) Easy installation in devices Stores wavelength conversion factor*1 in internal memory *1: A conversion factor for converting the image sensor pixel number into a wavelength. A calculation factor for converting the A/D converted count into the input light level is not provided. Structure Parameter Dimensions (W × D × H) Weight Image sensor Number of pixels Slit*2 (H × V) NA*3 Connector for optical fiber Specification 100 × 60 × 12 95 High-sensitivity CMOS linear image sensor 2048 10 × 400 0.11 SMA905 *2: Input slit aperture size *3: Numeric aperture (solid angle) Absolute maximum ratings Parameter Operating temperature*4 Storage temperature*4 *4: No dew condensation When there is a temperature difference between a product and the surrounding area in high humidity environment, dew condensation may occur on the product surface. Dew condensation on the product may cause deterioration in characteristics and reliability. Note: Exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. Always be sure to use the product within the absolute maximum ratings. 1
Open the catalog to page 1Optical characteristics Parameter Spectral response range Typ. Spectral resolution (FWHM)*5 Max. Wavelength reproducibility*6 Wavelength temperature dependence Spectral stray light*5 *7 *5: When the slit in the table in “ Structure” is used. The spectral resolution depends on the slit. *6: Measured under constant light input conditions *7: The ratio of the count measured when an 860 nm light is input to the count measured when an 860 ± 10 nm light is input Electrical characteristics Parameter A/D conversion Integration time Interface USB bus power current consumption Spectral response...
Open the catalog to page 2Dark output vs. temperature (typical example) Typical example of A/D output Ideal A/D output Difference between ideal value and typical example 1 A/D output (averaged over all pixels) Difference between ideal value and typical example (%) Linearity (typical example) A/D output is the output with dark output is subtracted when light is input. The difference between the ideal value and typical example contains a measurement error. The smaller the A/D output, the larger the measurement error. A/D output is the sum of the sensor and circuit offset outputs and the sensor dark output. Optical...
Open the catalog to page 3Connection example Spectrum data can be acquired by guiding measurement light into a mini-spectrometer through an optical fiber and transferring the measured results to a PC via the USB connection. Since there are no moving parts inside the device, constantly stable measurements can be expected. Moreover, the optical guiding section uses an optical fiber making connection to the measured object flexible. Fiber Exciting LD light source Raman probe Measuring cell KACCC0900EB Trigger operation modes In the C14214MA, the following trigger operation modes are available. You can switch between these...
Open the catalog to page 4(3) Asynchronous data measurement at external trigger input (4) Synchronous data measurement at external trigger input The first piece of digital data that is converted after an external trigger edge (rising or falling edge can be specified) is applied to the external trigger terminal is acquired. Sensor operation (integration) starts when an external trigger edge (rising or falling edge can be specified) is applied to the external trigger terminal, and then the digital data is acquired. Trigger input (for falling edge) Trigger input (for falling edge) Measurement cycle Measurement cycle...
Open the catalog to page 5Evaluation software (accessory) By installing the evaluation software (SpecEvaluationUSB2.exe)*8 into a PC, you can perform the following basic operations. ∙ Acquire and save measured data ∙ Set measurement conditions ∙ Module information acquisition (wavelength conversion factor, mini-spectrometer type, etc.) ∙ Display graphs ∙ Arithmetic functions Pixel number to wavelength conversion Calculation in comparison with reference data (transmittance, reflectance) Dark subtraction Gaussian approximation (peak position and count, FWHM) Note: Up to eight mini-spectrometers can be connected to a...
Open the catalog to page 6USB cable Dedicated software (evaluation software, sample software, DLL) Options (sold separately) ∙ Input optical fiber Type no. Product name 600 Fiber for visible/near infrared range Specification NA=0.22, length=1.5 m, low cost With SMA905D connector on each end NA=0.22, length=1.5 m, small bending radius at fiber section With SMA905D connector on each end External trigger input coaxial cable A12763 Dimensional outline (unit: mm) +50 0
Open the catalog to page 7Related information www.hamamatsu.com/sp/ssd/doc_en.html Precautions ∙ Disclaimer ∙ Mini-spectrometers Technical information ∙ Mini-spectrometers Information described in this material is current as of June 2019. Product specifications are subject to change without prior notice due to improvements or other reasons. This document has been carefully prepared and the information contained is believed to be accurate. In rare cases, however, there may be inaccuracies such as text errors. Before using these products, always contact us for the delivery specification sheet to check the latest...
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