
Spectrograph
| Aperture: | f/2.0 |
| Focal length: | 135 mm |
| Resolution: | ~ 4cm-1@ 785 nm excitation |
| CCD camera: | 1024 x 127 pixels, pixel size 26 µm |
| Camera cooling: | 4-stage TE-cooling <-82°C |
| CCD chip is deep depleted and back illuminated for higher NIR-quantum efficiency | |
| Ruled Grating with 1200 lines/mm. | |
| Spectral coverage (adjustable): | ~250 to 2650 cm-1 (785 nm excitation) |
| High performance, anti-reflection, aberration-corrected optics | |
| Spectrograph, temperature controlled (~ 33°C) for added stability | |
| Image curvature at exit plane < 0.5 pixel over full height of CCD array |
Multiplexer (optional upgrade)
| Channels | 9 |
| ¾ horse power servo motor using Soloist Motion Controller | |
| Channel number 1 is set aside as a built-in performance monitor to check instrument performance hourly | |
| Design life: | > 20 years |
Laser
| Power > 450 mW | |
| 785 nm standard; other wavelengths available upon request | |
| Laser life expectancy: | > 2-4 years |
| Optional upgrade: | Redundant backup laser, with automatic switching. |
Calibration
| Automatic for both x-axis and y-axis |
| Temperature control for Laser and Spectrograph |
Raman Probe
| Incorporating 10-8 Rayleigh filtering | |
| Fiber coupling with slit array: | 100 µm x 3.3 mm tall |
| Fiber optic probe lengths: | Up to 1150 ft (350 m) |
Optical Fiber
| Dual core, low OH, multimode fibers (200-micron and 400-micron diameters) cable |
| Cable OD is 9.2 mm, fabricated with tough, LSZH Outer jacket with aramid yarn strength member |
| Dummy inserts for increased stiffness |
| Cable can be laid in cable tray or in conduit. |
| Cable is cut to length, terminated and tested at factory. |
| I/O Included: | 16 Digital Inputs, 8 Digital Outputs, 8 Contact Alarm Relays, Four 4 to 20mA |
| Power requirements: | On-line 10 Amps |
| Outputs: | TCP/IP, RS-485, and RS-232 |
| Certifications | Lasers CE, CDRH-certified, and EN60825-1 Analyzer ETL (UL-61010) |
| Dimensions | 32" (81.28 cm W) x 79" (200.66 cm H), 477lbs |


