Coherent® Laser Selection Guide
Depending on the application’s performance and cost requirements, each Coherent® laser family provides a different set of advantages. The table below is a price and performance comparison of Coherent OBIS™, BioRay™, and StingRay™ lasers.
Coherent® High Performance OBIS™ Laser Systems are compact, plug-and-play lasers that offer a wide range of wavelengths from the ultraviolet to the near-infrared in a single platform. Coherent® BioRay™ Lasers are cost-effective, diode laser solutions for bioinstrumentation applications including DNA research, new drug development, or fluid evaluation. Coherent® High Performance StingRay™ Laser Diode Modules are ideal for a variety of alignment or machine vision applications.
| Laser Family | OBIS™ | BioRay™ | StingRay™ |
|---|---|---|---|
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| Spatial Mode | TEM00 | TEM00 | TEM00 |
| M2 | 1.1 1.3 | <1.5 | <1.5 |
| Beam Diameter | 0.7 ± 0.25mm | ~2.7 x 1.0mm | ~2.7 x 1.0mm |
| Pointing Stability | <5μRad/°C | <10μRad/°C | <10μRad/°C |
| RMS Noise | |||
| 20 Hz to 20MHz | <0.05% - <0.25% | <0.5% | <0.5% |
| 20 Hz to 20kHz, Peak to Peak | <0.5% - <1% | <2% | <2% |
| Long Term Power Stability (8 hours ±3°C) | <2% | <2% | <2% |
| Price |
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