Datasheet R1450 Datasheet (HAMAMATSU)

Fast Time Response (Especially Low TTS)

For Positron CT and High Energy Physics

19mm (3/4 Inch) Diameter, 10-stage, Bialkali Photocathode, Head-On

GENERAL

Parameter Description/Value Unit

Spectral Response
Wavelength of Maximum Response

Photocathode
Window Material
Dynode
Base

MAXIMUM RATINGS (Absolute Maximum Values)

Supply Voltage
Average Anode Current

Ambient Temperature

Material
Minimum Useful Size

Structure
Number of Stage

Parameter Value Unit

Between Anode and Cathode
Between Anode and Last Dynode

PHOTOMULTIPLIER TUBE

R1450

300 to 650

420

Bialkali

15

Borosilicate glass

Linear focused

10

12-pin glass base

1800

350

0.1

-80 to +50

nm
nm

—

mm dia.

—
—
—
—

Vdc
Vdc

mA

°C

CHARACTERISTICS (at 25°C)

Parameter Min. Unit

Luminous (2856K)

Cathode Sensitivity

Anode Sensitivity
Gain
Anode Dark Current (after 30min. storage in darkness)

Time Response

Typical Pulse Height Resolution
Pulse Linearity

NOTE: Anode characteristics are measured with the voltage distribution ratio shown below.

Radiant at 420nm
Blue (CS-5-58 filter)
Luminous (2856K)

Anode Pulse Rise Time
Electron Transit Time
Transit Time Spread (FWHM)
Coincident Resolving Time/Scintillator

±2% Deviation
±5% Deviation

70
—
—

100

—
—
—
—
—
—
—
—
—

VOLTAGE DISTRIBUTION RATIO AND SUPPLY VOLTAGE

Electrodes
Ratio

Supply Voltage: 1500Vdc, K: Cathode, Dy: Dynode, P: Anode

K Dy12Dy21Dy3

1.5

Dy41Dy51Dy61Dy71Dy81Dy9

1 1 0.75

Dy10 P

Typ. Max.

115

88

11.0
200

1.7 × 10

0.6/CsF

6

3

1.8
19

0.76

7.8

4
8

—
—
—
—
—
50
—
—
—
—
—
—
—

µA/lm
mA/W

µA/lm-b

A/lm

—

nA

ns
ns
ns
ns

%
mA
mA

Subject to local technical requirements and regulat ions, availability of products included in this promotional material may va r y. Please consult with our sales office.
Information furnished by HAMA M ATSU is believed to be reliable. However, n o 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.

1998 Hamamatsu Photonics K.K.

©

PHOTOMULTIPLIER TUBE R1450

Figure 1: Typical Spectral Response

TPMHB0528EA

100

10

QUANTUM
EFFICIENCY

1

QUANTUM EFFICIENCY (%)

0.1

CATHODE RADIANT SENSITIVITY (mA/W)

0.01
200 400 600 800

WAVELENGTH (nm)

CATHODE
RADIANT
SENSITIVITY

Figure 2: Typical Gain Characteristics

TPMHB0529EA

8

10

7

10

6

10

5

10

GAIN

4

10

3

10

2

10

500 700 1000 1500 2000

SUPPLY VOLTAGE (V)

Figure : Typical Output Waveform

TPMHB0582EA

20 (mV/div.)

5 (ns/div.)

SUPPLY VOLTAGE: -1500 (V)
RISE TIME: 1.775 (ns)
FALL TIME: 6.984 (ns)
LOAD RESISTANCE: 50 Ω

Figure 4: Typical Pulse Height Resolution

TPMHB0583EA

SUPPLY VOLTAGE = -1500 (V)

1000

500

RELATIVE COUNTS

100

0 200 300 400 500 600 700 800 900 1000

CHANNEL NUMBER (ch)

PHR = 18.50 (%)
SCINTILLATOR = BGO
1"Dia × 1" THICKNESS
SOURCE = Na-22 (511 keV)
PEAK CHANNEL = 514.4 (ch)

Figure 5: BGO-BGO Timing Spectrum

TPMHB0584EA

3

10

2

10

1

10

0

10

RELATIVE COUNTS

-1

10

TIME (8 ns/div.)

FWHM = 3.807 (ns)
FWTM = 8.191 (ns)
SCINTILLATOR = BGO
(12 × 24 × 24) mm
SOURCE = Na-22 (511 kev)
SUPPLY VOLTAGE = -1500 (V)

Figure 6: Dimensional Outline and Basing Diagram (Unit: mm)

18.6 ± 0.7

FACEPLATE

PHOTOCATHODE

15MIN.

12 PIN BASE

DY9

88 ± 2

DY7

13MAX.

DY10 DY8

P

5

4
3

2

DY5

DY3

6

7

1

12

SHORT PIN

8

10

11

DY1

TPMHA0434EB

DY6

9

K

DY4

DY2

10.5

(8)

360

13

9.5

Socket (Supplied)

(E678-12L)

28.6
13

18

3.7

3.3

13
18

35

2

2- 3.2

2-R4

9

6.7

(23.6)

7

2

TACCA0047EA

PHOTOMULTIPLIER TUBE R1450

Figure 7: Dimensional Outline and Circuit Diagram of Hybrid Assembly H6524

23.5 ± 0.5

19.3 ± 0.7
15 MIN.

SIGNAL OUTPUT
: RG-174/U (BLACK)

-H.V
: COAXIAL CABLE (RED)

*
TO MAGNETIC
SHIELD CASE

130.0 ± 0.8

1500

1MAX.

88 ± 2

PHOTOCATHODE

PMT: R1450
WITH HA COATING

MAGNETIC SHIELD
CASE (t=0.5mm)

POTTING
COMPOUND

-H.V
: COAXIAL CABLE (RED)

P

R11

DY10

DY9
DY8
DY7
DY6
DY5
DY4
DY3
DY2
DY1

K

R2, R4 to R11

C1 to C3

*

MAGNETIC SHIELD IS CONNECTED

R10

R9
R8
R7
R6
R5
R4
R3
R2
R1

R1
R3

C3
C2
C1

: 680 kΩ
: 510 kΩ
: 330 kΩ
: 0.01 µF

TO GND INSIDE OF THIS PRODUCT.

SIGNAL OUTPUT
: RG-174/U (BLACK)

TPMHA0313EA

HAMAMATSU PHOTONICS K.K., Electron Tube Center
314-5, Shimokanzo, Toyooka-village, Iwata-gun, Shizuoka-ken, 438-0193, Japan, Telephone: [phone], Fax: [phone]

U.S.A.:

Hamamatsu Corporation: 360 Foothill Road, P. O. Box 6910, Bridgewater. N.J. 08807-0910, U.S.A., Telephone: [phone], Fax: [phone]

Germany:

Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: [phone], Fax: [phone]

France:

Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: [phone], Fax: [phone]

United Kingdom:
North Europe:
Italy:

Hamamatsu Photonics UK Limted: Lough Point, 2 Gladbeck Way, Windmill Hill, Enfield, Middlesex EN2 7JA, United Kingdom, Telephone: [phone], Fax: [phone]

Hamamatsu Photonics Norden AB: Färögatan 7, S-164-40 Kista Sweden, Telephone: [phone], Fax: [phone]

Hamamatsu Photonics Italia: S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: [phone], Fax: [phone]

TPMH1215E01
SEPT. 1998