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LD 8900, LD 8900R Goniometric Radiometer
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Characterize divergent light sources
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Description
Specifications
Ordering Info
Catalog/Manual
 Download Data Sheet. |
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| LD 8900/LD 8900R System Specifications | |
| Sensor/Detector | |
| Scan Radius | 84mm |
| Pinhole Size | 1000μm (options available) |
| Entrance Aperture | 2mm standard (optional 1cm) |
| Field of View | ±72° (144 degrees) |
| Azimuthal Scans | 1, 2, 10, 20, 50, 100, or 200 |
| Spatial Sampling Resolution | 0.055 degrees, 3241points/scan |
| Spectral Range | |
| Silicon detector | 320-1100nm |
| InGaAs detector | 800-1700nm |
| Optional UV | 190-~1100nm |
| Source Input Power for >400nm | |
| Mirror Damage Threshold CW | 900 W/cm² |
| Mirror Damage Threshold Pulsed | 1 J/cm² |
| LDs, multi-mode fiber w/ NA >0.5 | 10's of μW to 10's of W* |
| Single-mode fiber | 1μW to 1W** |
| For wavelengths <400nm | Contact Factory |
| Higher power options available | Contact Factory |
| Source Output | CW or Pulsed (rep rates >10kHz) |
| Parameters Measured | |
| Angular Widths | FWHM, 5%, 13.5%, 2 user-specified clip levels |
| Numerical Apertures | FWHM, 5%, 13.5%, 2 user-specified clip levels |
| Angular Width Ratios | FWHM, 5%, 13.5%, 2 user-specified clip levels |
| Angular Position | Centroid, Peak |
| Intensity or Amplitude | Centroid, Peak, 2 user-specified locations |
| Mode-Field Diameter | LD 8900R only |
| Relative Integrated Power | Relative Power in user-specified cone angles about an arbitrary axis |
| Data Update Rates | |
| Single scan updates: | ~ 5Hz |
| Perpendicular Scan updates | ~ 0.5Hz |
| 3D Profile Acquisition Time* | * Times are PC dependent |
| 10 azimuthal scans | ~7s |
| 20 azimuthal scans | ~14s |
| 50 azimuthal scans | ~35s |
| 100 azimuthal scans | ~70s |
| 200 azimuthal scans | ~140s |
| File Saving and Data Logging | |
| Program Data and Setup Configuration Files | |
| ASCII file Profiles and Summary Parameters | |
| Raw 3D Scan Data in binary format | |
| Screen Captures: BMP, JPG, GIF, TIFF, PNG | |
| Log to Files and COM Ports | |
| Communications | |
| RS-232 Serial COM port required ActiveX Automation |
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| Electrical/Mechanical | |
| AC Power Required | 110V ~ 60Hz standard, 220V ~ 50Hz optional (Installation Category: Class II) |
| Main supply voltage fluctuations: | Not to exceed ±10% of the nominal voltage; Transient overvoltage according to Installation Category II; Pollution Degree 1 or 2 in accordance with IEC 664. |
| Dimensions mm | |
| Scanning Unit | 318 × 228 × 241 |
| Scanner | 203 × 165 × 165 |
| Motion Controller | 51 × 89 × 248 |
| Environmental Conditions | |
| Indoor use | |
| Temperature | 5°C – 40°C |
| Altitude | Up to 2000m |
| Maximum relative humidity | 80% for temperature up to 31°C decreasing linearly to 50% relative humidity at 40°C |
Ordering Information - Goniometric Radiometer Far-Field Profilers
All Goniometric Radiometer LD 8900 Far-Field Profiler Systems include the Scan Unit, PCI Controller Interface, Current MS Windows software, including ActiveX Automation commands.
All LD 8900R systems include the above as well as a dynamic range >36dB with 0dB source. System incorporates 16-bit digitizer, light scatter control and special amplifiers to achieve higher dynamic range than standard LD8900. For pulsed operation, please consult the factory.
| Item | Description | P/N | ||
| LD8900/InGaAs | Goniometric Radiometer for characterizing the angular radiation intensity from a laser diode between 800nm and 1700nm wavelength. Entrance aperture 2mm. | PH00173 | ||
| LD8900/Si | Goniometric Radiometer for characterizing the angular radiation intensity from a laser diode between 320nm and 1100nm wavelength. Entrance aperture 2mm. Full 3D capability. Features dynamic range >36dB with 0 dB source. | PH00174 | ||
| LD8900R/InGaAs | Wide Dynamic Range Goniometric Radiometer for characterizing the angular radiation irradiance from a fiber optic, wave guide, laser diode, VCSEL, or LED between 800nm and 1700nm wavelength. | PH00175 | ||
| LD8900R/Si | Wide Dynamic Range Goniometric Radiometer for characterizing the angular radiation irradiance from a fiber optic, waveguide, laser diode, VCSEL or LED between 320nm and 1100nm wavelength. Full 3D capability. | PH00176 | ||
| Options | ||||
| WL-O | Wavelength option | PH00183 | ||
| Pulsed InGaAs Option |
Failsafe operation for pulsed sources operating at repetition rates >10kHz with pulse widths >500ns. For operation below 10kHz, there are possible gain saturation states, dependent on repetition rate, pulse width, and source power. Consult the factory when operating under these conditions for failure mode assessment. When questionable, pulsed source operation should be verified against CW operation. | PH00185 | ||
| Pulsed InGaAs Upgrade Option |
Pulsed Upgrade Option to an existing Goniometric Radiometer InGaAs system. Failsafe operation for pulsed sources operating at repetition rates >10kHz with pulse widths >500ns. For operation below 10kHz, there are possible gain saturation states, dependent on repetition rate, pulse width, and source power. Consult the factory when operating under these conditions for failure mode assessment. When questionable, pulse source operation should be verified against CW operation. Includes software upgrade. Contact Factory for details. | PH00186 | ||
| PCI Controller Upgrade | Interface to allow use with standard PCI interface of desktop PC. Includes an interface box for 9180 controller card, PCI Interface card and cable, and factory calibration and realignment. System should be returned to Photon for installation. Includes software upgrade. | PH00187 | ||
| Optional Mount of User Device -LD 8900 Mount | Photon will provide one semi-custom mount of customer's laser diode device. Submit device particulars for specific quote. With this option, the instrument can be used immediately and provides one example test fixture. | PH00181 | ||
| LD8900 Software Viewer | Goniometric Radiometer Software Viewer for LD8900 models (8-bit). Allows users to open, review and re-analyze files that are saved using any PC computer. The Viewer has all the data processing features of the software. You can read files saved. | PH00181 | ||
| LD8900R Software Viewer | Goniometric Radiometer Software Viewer for LD8900R models (16-bit). Allows users to open, review and re-analyze files that aresaved using any PC computer. The Viewer has all the data processing features of the software. You can read files saved. | PH00439 | ||
| Fiber Mount - /FC | Plate and mount for a single mode fiber with FC connector. Label on plate includes reference distance between source and datum plane. | PH00189 | ||
| Fiber Mount - /SC | Plate and mount for a single mode fiber with SC connector. Label on plate includes reference distance between source and datum plane. | PH00190 | ||
| Fiber Mount - /ST | Plate and mount for a single mode fiber with ST connector. Label on plate includes reference distance between source and datum plane. | PH00191 | ||
| Fiber Mount -/BF | Plate and mount for a single mode fiber without connector. Label on plate includes reference distance between source and datum plane. | PH00192 | ||
| Option to Fiber Mount /BF - /Ribbon | Optional 4-Fiber Ribbon Cartridge for the Fiber Mount /BF (Bare Fiber). Requires /BF. | PH00193 | ||
| Extended Cable Option - EXT Cable | Cable lengths extended. | PH00184 | ||
| NIST Reference Standard | N.A. Reference Standard: traceable to NIST for use with Goniometric Radiometer/Far-Field profilers; i.e. LD8900 and/or LD8900R. Data provided: N.A. and Angular Widths at 50%, 13.5% and 5% clip levels, with standard deviation [with a recorded, exact source to aperture distance]. NIST reference standard includes: LD source Single Mode Test Fiber Required Mounting Plate in a storage case. | PH00188 | ||
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Beam Profilers Catalog 107 pages (8.12 MB ) |
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LD 8900 and LD 8900R Manual 168 pages (2.40 MB ) |
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