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HAMAMTSU L4646 Xenon Flash lamp L4633 L4633-01 L4640
| Parameter | L4640 | L4642 | L4644 | L4646 | L4641 | L4643 | L4645 | L4647 | Unit | |
|---|---|---|---|---|---|---|---|---|---|---|
| Lamp shape | Hemi-spherical | Flat | Hemi-spherical | Flat | Hemi-spherical | Flat | Hemi-spherical | Flat | － | |
| Arc size | 1.5 | 3.0 | 1.5 | 3.0 | mm | |||||
| Window material | UV glass | Borosilicate glass | － | |||||||
| Side tube materia | UV glass | Borosilicate glass | UV glass | Borosilicate glass | Borosilicate glass | － | ||||
| Spectral distribution | 185 to 2500 | 240 to 2500 | nm | |||||||
| Main discharge voltage range | 300 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. | 0.5 | 0.4 | 0.5 | 0.4 | ％ CV | ||||
| 2.5 | 2.0 | 2.5 | 2.0 | ％ p-p | ||||||
| Max. | 1.0 | 0.8 | 1.0 | 0.8 | ％ CV | |||||
| 4.5 | 4.0 | 4.5 | 4.0 | ％ p-p | ||||||
| Guaranteed life (*3) | 1 × 109 | flashes | ||||||||
| Trigger voltage | 5 to 7 | kV p-p | ||||||||
| Cooling method | 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) (*4) | E2442 | E2418 | E2442 | E2418 | － | |||||
NOTE:
*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 1000 V, main discharge capacitance of 0.2 μF and a repetition rate of 100 Hz.
*4：See options for information on trigger sockets.
| Main discharge capacitance (μF) |
Main discharge voltage (V) |
Maximum lamp input energy (per flash) (*5) (mJ) |
Maximum repetition rate (*6) (Hz) |
Maximum average lamp input (continuous) (*7) (W) |
Power supply (sold separately) (*8) |
|---|---|---|---|---|---|
| 0.2 | 1000 | 100.0 | 100 | 10.0 | C13316-02 |
| 700 | 49.0 | 100 | 4.9 | ||
| 0.1 | 1000 | 50.0 | 100 | 5.0 | C13315 |
| 700 | 24.5 | 100 | 2.5 |
NOTE:
*5: Maximum lamp input energy (per flash) (J)
E ＝ 1/2 × C × V2 C: Main discharge capacitance (F), V: Main discharge voltage (V)
*6: To ensure highly stable operation, 10 Hz or more repetition rate is recommended.
*7: Maximum average lamp input (continuous) (W)
P = E × f E: Maximum average lamp input energy (per flash) (J), f: Repetition rate (Hz)
*8：See options for information on power supplies.
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