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QE65000 Scientific-grade Spectrometer

QE65000 Scientific-grade Spectrometer
    QE65000 Scientific-grade Spectrometer

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    Vendor: Ocean Optics
    Part Number: QE65000

    Ocean Optics QE65000 Scientific-grade Spectrometer

    Click Here for a PDF About Ocean Optics QE65000 Scientific-grade Spectrometer

    QE65000 Scientific-grade Spectrometer combines the power of a backthinned FFT-CCD detector with advances in a proprietary optical bench coating and other components to provide high sensitivity and superior dynamic range for a host of low-light level applications. Add the spectrometer’s onboard thermoelectric cooler to the mix, and the new QE65000 presents an ideal option for applications such as fluorescence, Raman analysis and DNA sequencing.

      Features:
     
    • Quantum Efficiency to 90%
    • Increased System Sensitivity
    • Excellent UV Response
    • Demanding Low Light-level Applications
    • Onboard Programming
    • Multiple Interface Options
    • Optical Bench Options
    • Filter Options
    • Three Year Warranty
    New! Optical Bench Enhancements

    The great performance of our QE65000 Spectrometer has been enhanced to provide even more value: lower stray light, improved efficiency in the UV and Shortwave NIR, and better unit-to-unit reproducibility. For full UV-Shortwave NIR coverage, you'll want to configure your QE65000 with our HC-1 composite grating.

    Ocean Optics is also offering a proprietary low BRDF bench coating to improve stray light performance and provide better reproducibility in unit-to-unit performance.

     
    Quantum Efficiency to 90%

    The QE65000 is the most sensitive spectrometer we have ever developed. The Hamamatsu FFT-CCD detector used in the QE65000 provides 90% quantum efficiency (defined as how efficiently a photon is converted to a photo-electron). Ocean Optics other detectors are linear CCDs but with this “2D” area detector, we can bin (or sum) a vertical row of pixels, which offers significant improvement in the signal-to-noise ratio (>1000:1) and signal processing speed of the detector compared with a linear CCD, where signals are digitally added by an external circuit.

     
    Increased System Sensitivity

    In Ocean Optics spectrometers with linear CCDs, the slit’s width, not its height, regulates the amount of light entering the bench because linear CCDs cannot efficiently collect the light from the entire height of the slit. But in the QE65000, the 2D area detector can better take advantage of the height of the slit and the additional light, greatly improving system sensitivity.

     
    Excellent UV Response

    Because the detector in the QE65000 is back-thinned (or back-illuminated), it has great native response in the UV and does not require the additional coatings that we typically apply to other detectors for UV applications.

     
    Demanding Low Light-level Applications

    The QE65000 Spectrometer is a great option for low-light level applications including fluorescence, Raman spectroscopy, DNA sequencing, astronomy and thin-film reflectivity. The TE-cooled (down to -15 °C) detector features low noise and low dark signal, which enables low-light-level detection and long integration times (analogous to the shutter speed of a camera) from 8 milliseconds to 15 minutes, with virtually no spectral distortion.

    An example of a fluorescence setup with a QE65000 uses the PX-2 Pulsed Xenon Lamp as an excitation source and the CUV-ALL Cuvette Holder for samples. An optical fiber delivers excitation light to the sample holder and read light to the spectrometer. A filter, such as one of our Linear Variable Filters would block excitation light from entering the spectrometer
     
    Onboard Programing

    The QE65000 also has an onboard programmable micro-controller for controlling the spectrometer and accessories. You have access to 10 user-programmable digital inputs/outputs and a pulse generator for triggering other devices. You can use the I/Os to flash a lamp, stop/start a process, and send a message/alarm during the spectrometer’s integration period. The spectrometer’s operating parameters can be controlled through software. In fact, wavelength calibration coefficients unique to each spectrometer are programmed into a memory chip right on the spectrometer.

     
    Optical Bench Options

    At Ocean Optics, we understand that your work is unique and that you want a spectrometer to fit your specific needs. With the QE65000 Spectrometer, you can configure the bench for your application. Choose QE65000 Optical Bench Options such as entrance aperture size, detector accessories, filters a grating and more. Our application scientists will help you determine which configuration will best work for you.

     
    QE65000 Specifications:
     

    Physical

    Dimensions: 182 mm x 110 mm x 47 mm
    Weight: 1.18 kg (without power supply)
    Detector

    Detector:

    Hamamatsu S7031-1006

    Detector range: 200-1100 nm

    Pixels:

    1024 x 58 (1044 x 64 total pixels)

    Pixel size:

    24.576 μm2

    Pixel well depth:

    1000 Ke-

    Sensitivity: ~0.065 counts / e-
    Quantum efficiency: 90% peak; 65% at 250 nm
    Optical Bench
    Design: f/4, Symmetrical crossed Czerny-Turner
    Focal length: 101.6 mm input and output
    Entrance aperture: 5, 10, 25, 50, 100 or 200 µm wide slits or fiber (no slit)
    Grating options: 14 different grating options, UV through Shortwave NIR
    HC1-QE grating option: Provides UV-Shortwave NIR coverage
    Detector collection lens option: None
    OFLV filter options: OFLV-QE (200-950 nm); OFLV-QE-250 (250-1000 nm); OFLV-QE-300 (300-1050 nm); OFLV-QE-350 (350-1100 nm); OFLV-QE-400 (400-1150 nm)
    Other bench filter options: Longpass OF-1 filters
    Collimating and focusing mirrors: Standard only
    UV enhanced window: No
    Fiber optic connector: SMA 905 to 0.22 numerical aperture single-strand optical fiber
    Spectroscopic
    Wavelength range: Grating dependent
    Optical resolution: ~0.14-7.7 nm FWHM
    Signal-to-noise ratio: 1000:1 (at full signal)
    A/D resolution: 16 bit
    Dark noise: 3 RMS counts
    Dynamic range: 7.5 x 109 (system), 25000:1 for a single acquisition
    Integration time: 8 ms to 15 minutes
    Stray light: <0.08% at 600 nm; 0.4% at 435 nm
    Corrected linearity: >99.8%
    Electronics
    Power consumption: 500 mA @ 5 VDC (no TE cooling); 3.5 A @ 5 VDC (with TE cooling)
    Data transfer speed: Full scans to memory every 7 ms with USB 2.0 port, 18 ms with USB1.1 port, 300 ms with serial port
    Inputs/Outputs: 10 onboard digital user-programmable GPIOs (general purpose inputs/outputs)
    Analog channels: No
    Auto nulling: Yes
    Breakout box compatibility: Yes, HR4-BREAKOUT
    Trigger modes: 4 modes
    Strobe functions: No
    Gated delay feature: Yes
    Connector: 30-pin connector
    Power-up time: <5 seconds

    Dark current:

    4000 e-/pixel/sec @ 25 ºC; 200 e-/pixel/sec @ 0 ºC

    Computer
    Operating systems: Windows 98/Me/2000/XP, Mac OS X and Linux with USB port; Any 32-bit Windows OS with serial port
    Computer interfaces: USB 2.0 @ 480 Mbps; RS-232 (2-wire) @ 115.2 K baud
    Network Access: Remora's USB interface adapts for Ethernet Connectivity
    Peripheral interfaces: SPI (3-wire); I2C inter-integrated circuit
    Temperature and Thermoelectric (TE) Cooling
    Temperature limits: 0 ºC to 50.0 ºC; no condensation
    Set point: Software controlled; lowest set point is 40 ºC below ambient
    Stability +/-0.1 ºC of set temperature in <2 minutes
     
     

     


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