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QE65000-Roman科研級光譜儀

2019/08/07

  QE65000-Roman科研級光譜儀

  用于拉曼測量

  The QE65000-Raman Scientific-grade Spectrometer is a preconfigured combination of detector, optical bench, electronics, probe and laser technologies that provides users with a remarkably sensitive system for demanding low-light level Raman spectroscopy. The QE65000-Raman can achieve up to 90% quantum efficiency with high signal-to-noise and rapid signal processing speed. The QE65000-Raman Scientific-grade Spectrometer is available for .

  Quantum Efficiency to 90%

  Increased System Sensitivity

  Excellent UV Response

  Available as a Complete Raman SpectraKit

  Demanding Low Light-level Applications

  Onboard Programming

  Plug-and-Play USB Operation

  Configuration

  Pricing

  Specifications

  New! Optical Bench Enhancements

  The great performance of our QE65000-Raman 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.

  We are 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-Raman provides 90% quantum efficiency (defined as how efficiently a photon is converted to a photo-electron). Most of our other detectors are linear CCDs but with this ?D?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 our spectrometers with linear CCDs, the slits 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-Raman 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-Raman Spectrometer is a great option for low-light level Raman spectroscopy. 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.

  Onboard Programming

  The QE65000-Raman 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 spectrometers integration period. The spectrometers 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.

  Plug-and-Play USB Operation

  The QE65000-Raman interfaces to a computer via USB 2.0 or RS-232 serial port. Data unique to each spectrometer are programmed into a memory chip on the QE65000; our SpectraSuite Spectroscopy Operating Software reads these values for easy setup and hot swapping among computers, whether they run on Linux, Mac or Windows operating systems.

  QE65000-Raman Configuration

  The QE65000-Raman is preconfigured with the following, along with SpectraSuite spectrometer operating software, probe (RIP-Probe-785), laser (Laser-785-IP), and our Annual Service Package (ASP) to extend the warranty from 1 year to 2 years:

EquipmentDetails
SpectrometerQE65000
GratingH6 (starting at 780 nm)
SlitSLIT-50

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:50 m wide slit
HC6 grating:provides 123-170 nm range
Detector collection lens option:None
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:780 - 1100 nm (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 C; 200 e-/pixel/sec @ 0 C

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
Peripheral interfaces:SPI (3-wire); I2C inter-integrated circuit
Temperature and Thermoelectric (TE) Cooling
Temperature limits:0 C to 50.0 C; no condensation
Set point:Software controlled; lowest set point is 40 C below ambient
Stability+/-0.1 C of set temperature in <2 minutes


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