| Mechanical Specifications |
| Overall dimensions: 8 cm x 25 cm x 75 cm |
Weight: approximately 3.5 kg |
| Spectral channels: 4 (space for 4 more) |
Temperature stability: water cooled |
| Iinput fiber adjustment: ± 1.6 mm in x, y, z |
Detector adjustment: ± 1.4 mm in x, y, z |
| Detector monitoring: filter bypass* |
|
| Optical Specifications |
| Input fiber diameter: 2.8 mm nominal |
Numerical aperture: 0.28 |
| Incident angle of light: 4o at filter |
Full cone angle of light: 4o at filter |
| Image size at detector: 2.0 mm nominal |
Optics: BK7, broadband AR coated |
|
| Interference Filters |
| Diameter: 32 mm |
Clear aperture: 27 mm |
| Peak transmission: 60 - 80% (typical) |
Transmission@1064.3 nm: <10-5 (except laser filter) |
| Transmission out of band: < 10-4 @ 0.2 - 1.2 µ |
Reflection out of band: >95% @ 0.6 - 1.07 µ |
|
| APDs |
| Detector: EGG C30956E |
Diameter: 3.0 mm |
| HV bias: 250 - 400 V (typical) |
Avalanche gain: 50 - 100 (typical) |
| Quantum eff. @ 1060 nm: approximately 40% |
Quantum eff. @ 900 nm: approximately 80% |
| Noise enhancement factor: 3 (typical) |
|
| Amplifier |
| Input power: ± 8 V @ 45 - 100 mA |
APD load resistor: 1 kohm |
| Output connector: 7 pin coax |
| Pulsed Channel |
Background Channel |
| Gain: 40 |
Variable gain: 4, 8, 20, 40 |
| Frequency response: 5 to 25 MHz |
Frequency response: DC to 15 MHz |
| Output impedance: 50 ohms |
Output impedance: 50 ohms |
| Noise @ 75 ns gate: 80 photoelectrons |
Gain selection: TTL inputs |
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