Specifications.doc

Specifications: Micro-Channel Plate Photomultiplier Tube (MCP-PMT) Detectors

General Specifications for All Models

· Operating Temperature Range: at least:

-25 to +50 ºC

· Storage Temperature Range (long term): at least:

-25 to +32 ºC

· Construction: double, chevron, 6um pore size, 50:1 L:D, single anode

· Supply Voltage: Max:

-2800V

· Detector Gain: ≥ 1e5 A/A

· Average Anode Current (non-saturated output):

≥ 1uA

· Photocathode Active Area: Min:

17.5 mm

· Collection Efficiency: Typical:

≥ 95%

· Pulse Height Dist. Variance by Mean Squared Ratio: ≤ 0.4

· Anode Dark Current: Typical:

< 50 pA

· Dark count rate: Max:

< 200 cps

· Rise Time: Typical

≤ 900 ps

· Fall Time: Typical

≤ 900 ps

· Transit Time Spread: Typical

≤ 75 ps Standard Deviation Item 001: Non-Gateable 18mm double MCP-PMT: High QE Blue:

(Photonis PP2365D or Equivalent)

· Photocathode:

High QE S20 BlueD

· Photocathode Quantum Efficiency: Typical: > 28% at 400 nm

· Photocathode window material:

Quartz

· Integral voltage divider

· Electrical Output Interface:

SMA connector

· HV Supply Interface:

HV BNC connector

· Mechanical Package: Max (excluding connectors): Cylinder of length 56mm with 44mm diameter

Item 002: Non-Gateable 18mm double MCP-PMT: High QE Green (Photonis PP2365E or Equivalent)

High QE S20 Green

· Photocathode Quantum Efficiency: Typical: > 19% at 500 nm

· Photocathode window material:

Quartz or Glass

· Integral voltage divider

· Electrical Output Interface:

· Mechanical Package: Max (excluding connectors): Cylinder of length 56mm with 44mm diameter

Item 003: Gateable 18mm double MCP-PMT: High QE Blue

(Photonis PP2365F or Equivalent)

High QE S20 Blue

· Photocathode Quantum Efficiency: Typical:

> 28% at 400 nm

· Photocathode window material:

Quartz

· Integral voltage divider and gating circuit

· Gate Time (Detector On) Minimum:

≤ 52ns

· Gate Time (Detector On) Maximum:

DC

· Gate on-off delay: Maximum:

≤ 100ns

· Gate Repetition Rate: Maximum:

> 4kHz

· Gate Rise Time:

Maximum:

≤ 25ns

· Gate Fall Time: Maximum:

· Anode Output Interface:

Item 004: Gateable 18mm double MCP-PMT: High QE Green (Photonis PP2365G or Equivalent)

High QE S20 Green

· Photocathode Quantum Efficiency: Typical:

> 19% at 500 nm

· Photocathode window material:

Quartz or Glass

· Integral voltage divider and gating circuit

· Gate Time (Detector On) Minimum:

≤ 52ns

· Gate Time (Detector On) Maximum:

DC

· Gate on-off delay: Maximum:

≤ 100ns

· Gate Repetition Rate: Maximum:

> 4kHz

· Gate Rise Time:

Maximum:

· Gate Fall Time: Maximum:

· Anode Output Interface: