The Ocean Optics line of high-sensitivity back-thinned 2D FFT-CCD spectrometers for low light-level, UV-sensitive and other scientific applications now includes the uncooled Maya2000 and Maya2000 Pro, which offer greater than 90% quantum efficiency, high dynamic range and excellent deep-UV response (<190 nm). [td] | | Advantages of Back-thinned FFT-CCD Detectors
Back-Thinned CCD area image sensors have high UV response, great signal-to-noise characteristics and wide dynamic range, making them especially suited for low light level applications. Because of their great native UV response, FFT-CCD detectors do not require the application of UV-sensitive coatings, which is common with standard CCD-array detectors. That’s important because batch-to-batch variation can be problematic with some UV coatings.
Introducing Maya2000-series Spectrometers
If $10,000 is a little bit out of your budget range, and if long integration times aren’t part of your application, the Maya2000 and Maya2000 Pro may fill the bill. Indeed, at introductory prices of just $4800 and $5800, respectively, Maya2000 and Maya2000 Pro offer great value and performance for most any application requiring high sensitivity, good UV response and great dynamic range.
While Maya2000 and Maya2000 Pro have similar performance for most parameters, the Maya2000 has slightly faster readout time and the Pro offers better dynamic range and signal-to-noise (see comparison tables for a specification-by-specification analysis). Also, please note that limited detector availability may make lead times longer for the Maya2000. Maya2000: $4800 Maya2000 Pro: $5800.
| | Under the Hood |  Maya2000 Pro has >75% quantum efficiency; Maya2000 has 90% QE - USB 2.0 interface
- Low-noise electronics
- Optical resolution to ~0.035 nm (FWHM); resolution depends on groove density of grating and size of entrance aperture (slit)
- 14 grating options, including the HC-1 composite grating for coverage from 175-1100 nm (additional charge)
- Slits available in widths of 5 µm, 10 µm, 25 µm, 50 µm, 100 µm and 200 µm
- Optional propriety order-sorting filters to eliminate second- and third-order effects
- Detector collection lens option for enhanced signal collection
- Fully controllable strobe signals (single or continuous)
- 10 onboard digital user-programmable GPIOs
Uses SpectraSuite Spectrometer Operating Software (runs in Windows, Mac or Linux).
| Maya2000-Pro Sample Spectrum
| | Detector Specifications | | | Maya2000 | | Detector: | Hamamatsu S9840 | | Architecture: | Back-thinned, 2D | | Thermoelectric cooling: | No | | # of Pixels: | All: 2080 x 20 | | Active: 2048 x 14 | | Pixel size: | 14 um square | | Detector active area (mm): | 28.672 horizontal x 0.196 vertical | | Well depth: | 130Ke- | | Peak QE | >90% | | QE @ 250 nm | 55% | | Spectrometer Specifications | | | Maya2000 | | Integration time: | 6 ms - 10 seconds | | A/D converter: | 16 bit, 500 kHz | | Dynamic range (typical): | 5700:1 | | Signal-to-noise ratio: | 350:1 | | Non-linearity (uncorrected): | ~4.0% | | Linearity (corrected): | >99.7% | | Column sensitivity: | ~0.45 Counts/e- |
| | Detector Specifications | | | Maya2000 Pro | | Detector: | Hamamatsu S10420 | | Architecture: | Back-thinned, 2D | | Thermoelectric cooling: | No | | # of Pixels: | All: 2068 x 70 | | Active: 2048 x 64 | | Pixel size: | 14 um square | | Detector active area (mm): | 28.672 horizontal x 0.896 vertical | | Well depth: | 200Ke- | | Peak QE | 75% | | QE @ 250 nm | 60% | | Spectrometer Specifications | | | Maya2000 Pro | | Integration time: | 18 ms | | A/D converter: | 16 bit, 150 kHz | | Dynamic range (typical): | ~12000:1 | | Signal-to-noise ratio: | 450:1 | | Non-linearity (uncorrected): | ~4% | | Linearity (corrected): | >99.7% | | Column sensitivity: | ~0.32 Counts/e- |
|
| |
|
Now What?
