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L6999 Scheda tecnica(PDF) 5 Page - Hamamatsu Corporation

Il numero della parte L6999
Spiegazioni elettronici  The best light source is supported by the best electrode technology
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Produttore elettronici  HAMAMATSU [Hamamatsu Corporation]
Homepage  http://www.hamamatsu.com
Logo HAMAMATSU - Hamamatsu Corporation

L6999 Scheda tecnica(HTML) 5 Page - Hamamatsu Corporation

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TLSOB0038EC
Extremely high stability of intensity is required for deuterium lamps because of their applications.
Therefore, use of a power supply designed to drive the lamps with stable operation is recommended.
Hamamatsu
,
s power supply for deuterium lamps uses a constant-current circuit in the main power supply section and
a constant-voltage circuit in the filament power supply section to assure a reliable operation.
Hamamatsu offers not only OEM power supplies specially designed for your applications, as well as the following
types according to the operation mode of various lamps.
SPECIFICATIONS
L2D2 Lamps (Deuterium Lamps )
TECHNICAL INFORMATION
The following 4 types of window material are available for deuterium lamps.
(1) UV glass
(2) Synthetic silica
(3) MgF2
Figure 2 shows the transmittance of various window materials.
UV light at wavelengths shorter than 190 nm attenuates greatly due to its
absorption by oxygen. To obtain the fullest performance in window trans-
mittance, it is recommended that the inside of the equipment be filled with
nitrogen or vacuum-evacuated to eliminate this absorption effect.
The non-projecting type uses the side of the cylindrical glass bulb as the
emission window, whilst the projecting type uses a plane glass attached
to a projection on the bulb.
The projecting type has a uniformed transmittance due to the plane glass.
Since the window is located far from the discharge position, the amount
of dirt produced by spattering from the electrodes is reduced resulting in
low deterioration of light output. The non-projecting type requires less
space and has a wider directivity since there is no projection, enabling
effective use of emitted light. The long-nose projecting type uses an
MgF2 window and is suitable for vacuum ultraviolet applications. This
type is used with the tip of the nose inserted into the vacuum equipment.
Spectral Distribution
Window Material
Figure 1: Spectral Distribution
Figure 2: Typical Transmittance of Various Window Materials
GUV glass
GSynthetic silica
GMgF2
TLSOB0024ED
Light Distribution
Deuterium lamps emit high intensity light in the UV range at wavelengths
shorter than 400 nm. Light intensity on the short wavelength side is deter-
mined by the window material used.
UV glass has a higher ultraviolet transmittance than normal optical glass
(borosilicate glass). It has the longest cut off wavelength of 185 nm among
the four types. However the generation of ozone is lower than other wind-
ow material types, it is not necessary to have special anti-ozone treat-
ments.
Synthetic silica is obtained by fusing a silica crystal that is artificially
grown. Although its cut off wavelength is 160 nm, it contains less impuri-
ties than fused silica, and transmittance at 200 nm has been improved by
approx. 50 %.
MgF2 is a crystallized form of alkali metal halide that has an excellent
ultraviolet transmittance, a low deliquescence and is used as window
material for vacuum ultraviolet applications. Its cut off wavelength is 115
nm.
Figure 3: External View
Figure 4: Directivity (Light Distribution)
Non-projecting type
Projecting type
Long-nose projecting type
Non-projecting type
Projecting type
30
°
15
°
0
15
°
30
°
TLSOB0021EA
30
°
15
°
0
15
°
30
°
TLSOB0020EA
TLSOB0077EA
Long-nose
Projecting type
TLSOF0139
Figure 5: Arc Distribution
Arc Distribution
0.5 mm
APERTURE
APERTURE:
0.5 mm
1.0 mm
APERTURE
Y
X
Y
X
(High Brightness Version)
(Standard Version)
APERTURE: 1.0 mm
TLSOB0049EB
Arc intensity is determined by the aperture (light exit) size. Figure 5
shows typical spectral distributions for lamps with different aperture sizes.
At the same input current and voltage, lamps with an aperture of 0.5 mm
diameter (high brightness type) provide 1.6 times higher brightness than
lamps with an aperture of 1.0 mm diameter (standard type). The half
width of spectral distribution also becomes narrower with a reduced aper-
ture size. When higher intensity is required or the object to be irradiated
is very small, the high brightness type is recommended.
8
HEATER VOLTAGE AND CURRENT
160
200
240
280
320
360
400
WAVELENGTH (nm)
0.5
0.1
0.05
0.01
UV GLASS
SYNTHETIC SILICA
(PROJECTING TYPE, 1 mm THICK)
200
250
300
350
150
100
WAVELENGTH (nm)
20
40
60
80
100
UV GLASS
SYNTHETIC SILICA
MgF2
30
°
10
°
20
°
0
10
°
20
°
30
°
C1518
TLSOF0068
TLSOF0150
TLSOF0150
C7860
M7628
7
POWER SUPPLY
Control Methode
Input
Output
Ambient Temperature
Cooling
Dimensions (W
× H × D)
Weight
Certification
C1518 (2.5 V)
C1518 (10 V)
C1518 (SQ2.5 V)
C1518 (SQ10 V)
C7860/M7628-2510
C7860/M7628-2517 A
C7860/M7628-3000 A
C7860/M7628-1035 A
C7860/M7628-1070
C7860/M7628-1555 A
NOTE A C7860 series are manufactured only when the order is placed.
* Characteristics are measured at 23
±1 °C after 30 min of warming up.
2.5
± 0.2
10
± 1
2.5
± 0.2
10
± 1
2.5
± 0.15
2.5
± 0.15
3
± 0.15
10
± 0.5
10
± 0.5
15
± 0.75
L6565, L7293, L6999, L6999-50
L7307, L7174, L6301, L6302
L6307, L6308, L7292
L7298, L6303, L6304, L7306
L7296, L7295, L6309, L6310, L7296-50
L6565, L7293, L6999, L6999-50
L7307, L7174, L6301, L6302
L7298, L6303, L6304, L7306
L6566, L6305, L6306
L6307, L6308, L7292
L7296, L7295, L6309, L6310, L7296-50
L6311, L6311-50, L6312, L6312-50
Input Voltage
Input Wattage
Output Voltage
Output Current
Trigger Voltage
Fluctuation (p-p)
Drift
Output Voltage
Output Current
Warm-up Time
Dropper Type
(AC) 100/118/230
±10 %
100
(DC) 80
(DC) 160
300
600
± 50
0.1
±0.1
See below
See below
20
0 to +40
Not required
200
× 107 × 240
6.7
Switching Type
(DC) 24
± 2.4
48
(DC) 80
(DC) 160
300
600
± 50
0.5
±0.1
See below
See below
25
0 to +40
20 CMF of forced air
100
× 118 × 36.2
0.17
UL/CE
V
VA Max.
V Typ.
V Typ.
mA
V peak
% Max.
%/h Max.
s Typ.
°C
mm
kg
Switching Type
(AC) 90 to 115/180 to 250
(Automatic)
60
(DC) 80
(DC) 160
300
600
± 50
0.5
±0.1
See below
See below
25
0 to +40
Not required
113
× 122 × 220
2.7
With Load
Without Load
Anode
Heater
Parameter
Type No.
Warm-up
Voltage (V dc)
4
0.8
4
1.2
4
4
5
0.8
1.2
0.5
Current (A dc typ.)
1.0
± 0.1
3.5
± 0.5
1.7
± 0.2
7.0
± 0.5
1
± 0.05
1.7
± 0.1
0
3.5
± 0.2
7
± 0.35
5.5
± 0.3
Operation
Applicable Lamps
Voltage (V dc)
1.8
0.3
3.3
1
1.8
3.3
0
0.3
1
0.3
Current (A dc typ.)
C1518
C7860
M7628
Unit


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