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USB4000 Miniature Fiber Optic Spectrometer
We’ve sold over 100,000 spectrometer channels for
thousands of applications, and we've used that experience to make the most
flexible, versatile and cost-effective spectrometer ever built. The USB4000 is our next-generation
flagship spectrometer, with a 3648-element Toshiba linear CCD array
for increased signal-to-noise and enhanced electronics for
controlling the spectrometer and accessories. The USB4000 starts at
$2540. The USB4000 is made-to-order per your
optical bench selections -- including
order-sorting filters and entrance slits sizes --
which are available as separate
line items.
Pre-configured USB4000-UV-VIS
&
USB4000-VIS-NIR
are in-stock and ready to ship!
We redesigned the USB2000 -- the most
popular spectrometer in the world -- to include an advanced detector and
powerful high-speed electronics. The USB4000 features a 16-bit A/D, four
triggering options, a dark-level correction during temperature changes,
and a 22-pin connector with eight user-programmable GPIOs. What’s more,
the USB4000 interfaces to computers with Linux, Mac or Windows operating
systems. The modular USB4000 is responsive from 200-1100 nm and can be
configured with various Ocean Optics optical bench accessories, light
sources and sampling optics to create application-specific systems for
thousands of absorbance, reflection and emission applications.
The USB4000 Spectrometer is distinguished
by its enhanced electronics: 16-bit A/D resolution with auto nulling
feature (an enhanced electrical dark-signal correction); EEPROM storage of
calibration coefficients for simple spectrometer start-up; 8 programmable
GPIO signals for controlling peripheral devices; and an electronic shutter
for spectrometer integration times as fast as 3.8 milliseconds -- a
handy feature to prevent detector saturation (for faster integration
times using the External Hardware Trigger Mode, see our
USB2000+ Spectrometer). In addition, the USB4000 has
signal-to-noise of 300:1 and optical resolution (FWHM) ranging from
0.3-10.0 nm (depending on your grating and entrance aperture selection).
The USB4000 interfaces to a computer via
USB 2.0 or RS-232 serial port. Data unique to each spectrometer is programmed into a memory chip
on the USB4000; 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. When connected to a computer via USB, the USB4000 draws its power
from the computer. With its small-footprint design, plug-and-play
convenience, advanced electronics and powerful detector, the USB4000 has
succeed the USB2000 as the most frequently specified fiber optic
spectrometer in the world.
At Ocean Optics, we understand
that your work is unique and that you want a spectrometer to fit your
specific needs. What makes the USB4000 Spectrometer so special are
the options that allow you to configure the bench for your application.
Choose USB4000 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.
We also have a
limited-time upgrade offer designed especially to
enhance your UV sensing and boost UV response by over 20%. The upgrade
is available for Gratings 1, 5, 7 and 10.
The USB4000 uses the
Toshiba TCD1304AP 3648-element linear CCD-array detector. To properly configure a
USB4000 Spectrometer for your application, you'll need to specify one of
the
Four
Detector Options offered; all four options include the Toshiba
detector but with different coatings and windows. Your application scientist
can help you determine which detector options will best work for you.
Our
USB4000 Manual provides you with instructions for setting up,
calibrating and performing experiments with your USB4000 spectrometer.
When you purchase a USB4000,
you can also choose from Ocean Optics'
complete line of spectroscopic accessories. Most
accessories have SMA 905 connectors for application flexibility. Changing the
sampling system is as easy as unscrewing a connector and adding new
components or accessories, such as USB4000
direct-attach accessories, and additional light sources,
sampling holders,
filter holders,
flow cells,
fiber optic probes and
sensors, collimating lenses,
attenuators, diffuse reflectance standards,
integrating spheres and our
extensive line of optical fibers.
* Pre-configured,
off-the-shelf USB4000
Spectrometers (such as the USB4000-UV-VIS,
USB4000-VIS-NIR and
USB4000-FL) have the detector and other
bench components built-in.
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Physical
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Dimensions: |
89.1 mm x 63.3 mm x 34.4 mm |
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Weight: |
190 grams |
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Detector Specifications |
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Detector:
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Toshiba TCD1304AP Linear CCD array |
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Detector range: |
200-1100 nm |
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Pixels:
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3648 pixels |
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Pixel size:
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8 μm x 200 μm |
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Pixel well depth:
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100,000 electrons |
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Signal-to-noise ratio: |
300:1 (at full signal) |
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A/D resolution: |
16 bit |
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Dark noise: |
50 RMS counts |
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Corrected linearity: |
>99.8% |
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Sensitivity: |
130 photons/count at 400 nm; 60 photons/count
at 600 nm |
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Optical Bench |
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Design: |
f/4, Asymmetrical crossed Czerny-Turner |
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Focal length: |
42 mm input; 68 mm output |
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Entrance aperture: |
5, 10, 25, 50, 100 or 200 µm wide slits or fiber
(no slit) |
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Grating options: |
14 different grating options, UV through Shortwave NIR |
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HC-1 grating option: |
No |
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Detector collection lens option: |
Yes, L4 |
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DET4 filter options: |
DET4-200-850;
DET4-350-1000 |
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Other bench filter options: |
Longpass OF-1 filters |
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Collimating and focusing mirrors: |
Standard or SAG+UPG |
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UV enhanced window: |
Yes, UV4 |
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Fiber optic connector: |
SMA 905 to 0.22 numerical aperture single-strand optical fiber |
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Spectroscopic |
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Wavelength range: |
Grating dependent |
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Optical resolution: |
~0.3-10.0 nm FWHM (grating dependent) |
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Signal-to-noise ratio: |
300:1 (at full signal) |
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A/D resolution: |
16 bit |
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Dark noise: |
50 RMS counts |
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Integration time: |
3.8 ms - 10 seconds |
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Dynamic range: |
2 x 108
(system), 1300:1 for a single acquisition |
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Stray light: |
<0.05% at 600 nm; 0.10% at 435 nm |
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Electronics |
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Power consumption: |
250 mA @ 5 VDC |
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Data transfer speed: |
Full spectrum to memory every 4 ms with USB 2.0 port |
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Inputs/Outputs: |
Yes, 8 onboard digital user-programmable GPIOs |
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Analog channels: |
No |
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Auto nulling: |
Yes |
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Breakout box compatible: |
Yes, with the USB-ADP-BB adapter |
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Trigger modes: |
4 modes |
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Strobe functions: |
Yes |
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Connector: |
22-pin connector |
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Computer |
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Operating systems: |
Windows 98/Me/2000/XP, Mac OS X and Linux
with USB port; Any 32-bit Windows OS with serial port |
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Computer interfaces: |
USB 2.0 @ 480 Mbps (USB1.1 compatible); RS-232 (2-wire) @ 115.2 K baud |
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Peripheral interfaces: |
SPI (3-wire); I2C inter-integrated circuit |
Serial
port operation tips: When using the serial port, the USB4000 requires a
single 5-volt power supply (not included). Also, SpectraSuite Spectroscopy
Software does not support spectrometer operation via the serial port.
However, using the included Serial Port Command Set, you can write your
own software that makes serial port operation possible.
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