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nitrogen purge

00 Sabre Preinstall.book

00 Sabre Preinstall.book


Selecting The Correct Cooling Water Temperature.......................................................4
Nitrogen Purge (UVoption only)...................................................................................8
Environmental…

00 E-1000 PreInst.book

00 E-1000 PreInst.book


EXTENDED I/O
4
DCPS/AUXILIARY I/O
3
EMBEDDED CONTROL/
DIAGNOSTICS
2
COOLANT INLET
3/4 NPT
1 NITROGEN PURGE
1/8 NPT
13
COOLANT OUTLET
3/4 NPT
12
FWD & REFL
POWER MONITOR
11
- 48 VDC RETURN 10
LASER…

00 E-400 E-1000 Series Preinstall.book

00 E-400 E-1000 Series Preinstall.book


[1.97 in.]
REALTIME I/O
SHUTTER LED
EXTENDED I/O
DCPS / AUXILIARY I/O
EMBEDDED CONTROL /
DIAGNOSTICS
NITROGEN PURGE
1/4 NPT
COOLANT INLET
1/4 NPT
COOLANT OUTLET
1/4 NPT
POWER INDICATION LED
+ 48 VDC
- 48 VDC RETURN

00 SabreMFreD Preinstall.book

00 SabreMFreD Preinstall.book

…crystal.
· The Nitrogen purge must be turned on.
Failure to follow these requirements will likely result in irreversible damage from condensation of water vapor on the crystal
Brewster surfaces. When the system is in operation, the
Nitrogen purge must be on.
Environmental…

DIAMOND J-3 Series OEM Lasers Preinstallation Manual, Rev. AB

DIAMOND J-3 Series OEM Lasers Preinstallation Manual, Rev. AB

…in.] STUD
COOLANT OUTLET
3/8 NPT
48 VDC NEGATIVE (-) CONNECTION
Ø 9.5 mm [.375 in.] STUD
INTERFACE CONNECTIONS
NITROGEN PURGE
PUSH TO CONNECT TUBE FITTING
Ø 6.35 mm
[.250 in.]
COOLANT INLET
3/8 NPT
INTERFACE EMBEDDED CONTROL
RJ-45 JACK…

DIAMOND J-5 Series OEM Lasers Preinstallation Manual Rev AA

DIAMOND J-5 Series OEM Lasers Preinstallation Manual Rev AA


3/8 NPT
48 VDC NEGATIVE (-) CONNECTION
Ø9.5 mm [.375 in.] STUD
REAL TIME CONNECTOR
25 POSITION (PINS)
INTERFACE EMBEDDED CONTROL
RJ-45 JACK
COOLANT INLET
3/8 NPT
NITROGEN PURGE
PUSH TO CONNECT TUBE FITTING
Ø6.35 mm
[.250 in.]

MetaBEAM1000c Pre.book

MetaBEAM1000c Pre.book

Site Preparation
1 - 13
Nitrogen is also used to purge the laser of the LMT system. No other
gas should be used in place of Nitrogen.
DANGER!
No other gas should be used in place of Nitrogen to purge the
laser of the LMT system. Using other gases may result in a fire.…

00 E-250 Pre.book

00 E-250 Pre.book

…from this aperture.
Nitrogen Purge Provides for the mandatory gas purge of the beam conditioning optics. Requires
1/4 inch (6.3 mm) OD Teflon, polyethylene or polypropylene tubing.
Standard gas fitting for purging the optics in the laser head. Nitrogen is not
required for tube…

Excimer laser technology trends

Excimer laser technology trends

…gas fill by about a factor of
three.
Moreover, active tube temperature control of ±0.2 C as
well as externally mounted, nitrogen purged resonator optics
which are mechanically and thermally decoupled from the
laser tube are common features in high power mass production…

COHR DIAMOND J-3-5 COlaser DS 0617 2.pdf

COHR DIAMOND J-3-5 COlaser DS 0617 2.pdf

…drop from chiller fittings and the supply and return hose.
11 Do not operate at or below dew point.
12 Clean dry air or nitrogen are acceptable as purge gases. Coherent can recommend suitable commercial gas filter/dryers.
13 Measured at 1 kHz, 300 s RF pulse width.
Diamond…

COHR DiamondCx-10LDE Plus DS 0618 1a.pdf

COHR DiamondCx-10LDE Plus DS 0618 1a.pdf

…cycle after a 10 minute Cx-10 warm up period.
5 Operation at pulse repetition frequencies above 200 kHz may result in substantial side lobe power and reduced beam quality.
6 Dry Nitrogen is also acceptable as a purge gas.

* Dow Frost is a trademark of the Dow Chemical Company.

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