HAMAMATSU H8711-10, H8711 Datasheet

4 mm × 4 mm Multianode, High Speed Response, Low Cross-talk

30 mm Square, Bialkali Photocathode, 12-stage, Head-on Type

GENERAL

Parameter Description/Value Unit

Spectral Response
Peak Wavelength

Photocathode

Window Material

Dynode

Anode Size
Weight
Operating Ambient Temperature
Storage Temperature

Material
Minimum Effective Area

Structure
Number of Stages

MULTIANODE
PHOTOMULTIPLIER TUBE ASSEMBLY

H8711, H8711-10

PATENT

300 to 650

420

Bialkali

18.1 × 18.1

Borosilicate glass

Metal channel dynode

12

4.2 × 4.2 (center)
Approx. 50

-30 to +50

-30 to +50

nm
nm

—

mm

—
—
—

mm

g

°C
°C

MAXIMUM RATINGS (Absolute Maximum Values)

Parameter Value Unit

Supply Voltage
Average Anode Output Current in Total

* The maximum average anode current is defined as 5 % of divider current when standard high voltage is applied.

Between Anode and Cathode

1000

0.014*

CHARACTERISTICS (at 25 °C)

Parameter Min. Unit

Cathode Sensitivity

Anode Sensitivity

Gain

Anode Dark Current per Channel (after 30 min storage in darkness)
Anode Dark Current in Total (after 30 min storage in darkness)

Time Response
per Channel

Pulse Linearity per Channel (±5 % deviation)
Cross-talk (4 mm × 4 mm Aperture)
Uniformity Between Each Anode

NOTE: Anode characteristics are measured with the voltage distribution ratio shown below.
( ): Measured with the special voltage distribution ratio (Tapered Divider) shown below.

Luminous (2856 K)
Blue Sensitivity Index (CS 5-58)
Luminous (2856 K)

Anode Pulse Rise Time
Electron Transit Time
Transit Time Spread (FWHM)

60

6.5

80 (20)

—

—
—
—
—
—
—
—
—

Typ.

80

8.5

280 (70)

3.5 × 10

(0.9 × 106)

0.8 (0.4)
12 (6)

0.83

10.9

0.3

1 (3)

1

1: 3

6

Max.

—
—
—

—

—

60 (30)

—
—
—
—
—

1: 5

V

mA

µA/lm

—

A/lm

—

nA
nA

ns
ns
ns

mA

%

—

VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE

Electrodes
H8711
H8711-10

Supply Voltage: 800 V, K: Cathode, Dy: Dynode, P: Anode

Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.

Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are
subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2003 Hamamatsu Photonics K.K.

(Tapered Divider)

K Dy2 Dy5Dy4Dy1 Dy3

2122 1 1

2.4 12.4 2.4 1 1

...

Dy9 Dy10 Dy11 Dy12

...

11

...

11

P
111
1 1.2

2.4

MULTIANODE
PHOTOMULTIPLIER TUBE ASSEMBLIES H8711, H8711-10

Figure 1: Typical Spectral Response

TPMHB0266EA

100

10

QUANTUM
EFFICIENCY

1

QUANTUM EFFICIENCY (%)

0.1

CATHODE RADIANT SENSITIVITY (mA/W)

0.01
100 200 300 400 500 600 700 800 900

WAVELENGTH (nm)

CATHODE
RADIANT
SENSITIVITY

Figure 2: Typical Gain and Anode Dark Current
per Channel

TPMHB0690EA

8

10

7

10

6

10

GAIN

5

10

GAIN

4

10

3

10

2

10

1

10

400 600 1000800

H8711

H8711−

ANODE DARK CURRENT
PER CHANNEL

SUPPLY VOLTAGE (V)

10

711

H8

711−10

8

H

10

10

10

10

10

10

10

10

4

3

2

1

0

-1

ANODE DARK CURRENT (nA)

-2

-3

Figure 3: Typical Time Response

TPMHB0331EA

SUPPLY VOLTAGE
RISE TIME

(2 mV/div.)

FALL TIME
WIDTH

L

R

TIME (2 ns/div.)

= -800 V
= 835 ps
= 2047 ps
= 1658 ps
= 50 Ω

Figure 4: Typical T.T.S. Characteristic

TPMHB0314EB

SUPPLY VOLTAGE= - 800 V

4

FWHM= 310 ps

10

FWTM= 631 ps

3

10

2

10

1

10

RELATIVE COUNTS

0

10

TIME (0.5 ns/div.)