Seven Hills Raman Analyser
Raman Fiber Multiplexer
The Fiber-Optic Multiplex System for Raman Spectroscopy (patented) can be used to expand the use of our Raman Spectrometer. Through switching the excitation and collection fibers, Our Raman spectrometer can monitor up to 18 probes. This can be done with minimal signal loss, and very high repeatability
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The Fiber-Optic Multiplexer had become popular with feed-forward applications for refineries, where our Seven Hills Raman and multiplexer control their blending header while looking at the incoming component streams. The Fiber-optic Multiplex system can come in a variety of options. We offer 9 and / or 18 Max channels, and also a lab, or a 19" rack mount version |
Fiber-Optic Multiplex System Specifications
| Channels | one to 18 channels |
| Insertion Loss | otal insertion loss is less than 1 dB |
| Optical Repeatability | Repeatability is 99.5%. |
| Wavelength Range | 633 nm to 860 nm |
| Switching Time Between Adjacent Channels | Switching time between adjacent channels is aprox. one second |
| Operating Temperature | 10 to 45 degrees C |
| Humidity Operating Conditions | Less than or equal to 95 % non-condensing humidity |
| Switching Cycles | greater than 100 million cycles |
| Fiber Size | Accommodates multimode fibers (~50 um to 1000 um diameter), Either FC or SMA type connectors |
| Instrument Size | 17" x 17" x10". |
| Weight | aprox. 55 lbs |
| Power Requirements | Universal input 48 to 220 VAC, with 110 VAC @ 5A |
| Mechanical Repeatability | 0.00004" (~1um) |
| Step Resolution | 0.000014" (~0.35um) |
| Interface | RS232 serial connection and control from computer |
| Maintenance | None, There are no gears to wear and the bearings are sealed and pre lubricated |