xenon flash lamp xenon flash lamp

60 W xenon flash lamps

These are 60 W xenon flash lamps that deliver the highest output among our xenon flash lamps. Despite their high output, these lamps are highly stable. A built-in reflector type with an even higher output is also provided that boosts the output 1.5 times higher than that of other 60 W lamps.


Spectral distribution (Typ.)

Emission pulse waveform (Typ.)

Life characteristics (L7685)(Typ.)


Parameter Standard model High output model Unit
L6604 L6605 L7684 L7685
Arc size 3.0 mm
Window material Borosilicate glass Sapphire glass Borosilicate glass Sapphire glass
Side tube material Metal
Spectral distribution 240 to 2500 190 to 5000 240 to 2500 190 to 5000 nm
Main discharge voltage range 500 to 1000 V
Recommended main discharge voltage range 700 to 1000 V
Maximum lamp input energy (per flash) See operating condition examples mJ
Maximum repetition rate (*1) 100 Hz
Maximum average lamp input (continuous) See operating condition examples W
Light output stability (*2) Typ. 0.7 % CV
3.0 % p-p
Max. 1.0 % CV
4.2 % p-p
Guaranteed life (*3) 8 × 107 flashes
Trigger voltage 5 to 10 kV p-p
Cooling method (*4) Not required
Operating temperature range +5 to +40
Storage temperature range -40 to +90
Operating humidity range Below 85 % (no condensation)
Storage humidity range Below 95 % (no condensation)
Trigger socket (sold separately) (*5) E6647
Cooling jacket (sold separately) (*6) E6611

*1: To ensure highly stable operation, 10 Hz or more repetition rate is recommended.
*2: Light output stability (at a repetition rate of 10 Hz or more)
     Light output stability (% CV) = light output standard deviation / average light output × 100
     Light output stability (% p-p) = (maximum light output – minimum light output) / average light output × 100
*3: Measured with a Hamamatsu Si photodiode S1336-8BQ. The life is defined as the time at which the light output at 190 nm to 1100 nm decreases to 50 % of the initial output level or the light output fluctuation exceeds the specified maximum value when the lamp is operated at a main discharge voltage of 975 V, main discharge capacitance of 2.1 μF and a repetition rate of 60 Hz.
*4: When the Maximum repetition rate is 15 W or more, cooling is necessary to keep the lamp bulb temperature lower than 150 °C. Use the E6611 cooling jacket available as an option.
*5:See options for information on trigger socket.
*6:See options for information on cooling jacket.

Operating condition examples

Main discharge capacitance
Main discharge voltage
Maximum lamp input energy
(per flash) (*7)
Maximum repetition rate (*8)
Maximum average lamp input
Main discharge capacitor
(external connection)
(sold separately) (*11)
Power supply
(sold separately) (*12)
2.1 975 1000 60 60 E7289-02 C14352
700 515 100 51.5
0.1 1000 50 100 5
700 25 100 2.5

  *7: Maximum lamp input energy (per flash) (J)
       E = 1/2 × C × V2 C: Main discharge capacitance (F), V: Main discharge voltage (V)
  *8: To ensure highly stable operation, 10 Hz or more repetition rate is recommended.
  *9: Maximum average lamp input (continuous) (W)
       P = E × f E: Maximum average lamp input energy (per flash) (J), f: Repetition rate (Hz)
*10: When operating the maximum average lamp input (continuous) at 60W, use the E7289-02 main discharge capacitor (external connection) available as an option.
*11: For the main discharge capacitor (external), refer to the options.
*12: See options for information on power supply.


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Trigger socket E6647

Trigger socket E6647 Hamamatsu provides trigger sockets specifically designed for xenon flash lamps. These trigger sockets are integrated with a high-voltage transformer, voltage-divider resistors, and capacitors in the same compact housing thus reducing the hassle of drawing up circuit and device designs.

Please see the catalog for details[4.3 MB/PDF]

Cooling jacket E6611

The E6611 is a cooling jacket specifically designed for 60 W xenon flash lamps. It helps keep the temperature of the xenon flash lamp and trigger socket at a constant level within the tolerance range to ensure highly stable operation. * The cooling jacket must be used when the lamp is operated with an input of 15 W or more.

Please see the catalog for details[4.3 MB/PDF]

Main discharge capacitor (external connection) E7289-02

The E7289-02 is a main discharge capacitor (2 μF) intended to operate a 60 W xenon flash lamp with a maximum average lamp input (continuous) of 60 W. By just connecting to the dedicated power supply, the E7289-02 starts safe operation.

Please see the catalog for details[4.3 MB/PDF]

Power supply C14352

Hamamatsu provides power supplies specifically designed to bring out maximum performance of xenon flash lamps. These are switching power supplies with a built-in high-speed charging circuit and discharge stop circuit. Despite their compact size and large capacity, the power supplies ensure highly stable xenon flash lamp operations.

Please see the catalog for details[4.3 MB/PDF]

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