Maya Backtinned CCD Spectrometers

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Maya Spectrometers Back-thinned High QE

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 Maya 2000 and Maya 2000-Pro, which offer greater than 90% quantum efficiency, high dynamic range and excellent UV response.

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 Maya 2000-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 Maya 2000 and Maya 2000-Pro may fill the bill. Indeed, at introductory prices of just $4,800 and $5,800, respectively, Maya 2000 and Maya 2000-Pro offer great value and performance for most any application requiring high sensitivity, good UV response and great dynamic range.

While Maya 2000 and Maya 2000-Pro have similar performance for most parameters, the Maya 2000 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 Maya 2000. Maya 2000: $4,800 Maya 2000-Pro: $5,800

Deep UV spectrometer sensitive down to 160nm comes with a free Kindle 2 electronic book

USB 2.0 interface

90% peak Quantum efficiency

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 programmable strobe signals (single or continuous)

10 onboard digital user-programmable GPIOs

Uses SpectraSuite Spectrometer Operating Software (runs in Windows, Mac or Linux).

Detector Specifications
	Maya 2000
Detector:	Hamamatsu S9840
Architecture:	Back-thinned, 2D
Thermoelectric cooling:	No
# of Pixels:	All: 2080 x 20
# of Pixels:	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	65%
Spectrometer Specifications
	Maya 2000
Integration time:	5 ms - 20 seconds
A/D converter:	16 bit, 500 kHz
Dynamic range:	5000:01:00
Signal-to-noise ratio:	350:01:00
Non-linearity (uncorrected):	~4.0%
Linearity (corrected):	<1.0%
Column sensitivity:	~0.45 Counts/e-

Detector Specifications
	Maya 2000-Pro
Detector:	Hamamatsu S10420
Architecture:	Back-thinned, 2D
Thermoelectric cooling:	No
# of Pixels:	All: 2068 x 70
# of Pixels:	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
	Maya 2000-Pro
Integration time:	17 ms – 10 seconds
A/D converter:	16 bit, 150 kHz
Dynamic range:	~8000:1
Signal-to-noise ratio:	450:01:00
Non-linearity (uncorrected):	~10.0%
Linearity (corrected):	<1.0%
Column sensitivity:	~0.32 Counts/e-

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