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45° Elliptical Mirror Mounts
Shown with a 1" Elliptical Mirror
Shown Mounted in a KS2 Kinematic
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H45E2 2" Elliptical Optics Mount Mechanical Drawing
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H45E1 1" Elliptical Optics Mount Mechanical Drawing
These fixed 45° Elliptical Mirror Mounts are ideal for holding any compatible 1" or 2" elliptical optic at a stable 45° angle. Each mount is equipped with a top-located clamping lip to hold the optic in place. The mount also features a three-point-contact inner housing, as well as two contact points plus the lip on the outer housing, thereby providing maximum optic stability. Two perpendicular through holes, located on the bottom and back side of the mount, allow it to be used in beamsplitter or beam monitoring applications.
The clamping lip is specifically designed so that it will not reduce the >90% clear aperture specification typical of most optical components. When using this mount, do not remove the two cap screws that secure the inner housing to the outer portion of the mount, as doing so will affect the stability of the mount.
To secure an elliptical mirror in the mount, loosen the top-located 3-48 cap screw (6-32 for H45E2) using the provided 5/64" hex key (7/64" for H45E2) and raise the clamping arm. Seat the bottom edge of the optic in the mount and then lay the rest of the optic flat against the inner housing. If the optic does not slip easily under the clamping arm, loosen the cap screw further until the mirror can slide under it. Lower the clamping arm onto the mount, and tighten the cap screw to secure the optic's position. Please note that the two notches on either side of the clamping arm must be in line with the front face of the mount prior to tightening the cap screw to prevent damaging the optic.
To remove the optic, loosen the clamping arm using the 3-48 cap screw until the top of the optic has clearance to slide past it. Push the top portion of the optic past the clamping arm first and then remove the bottom portion of the optic from the mount.
If the cap screw is completely removed from the mount while inserting or removing an optic, the following procedure should be used to thread it back into place. Place the clamping arm in its appropriate location on the top of the mount. Insert the cap screw and carefully thread it into the mount using the included 5/64" hex key. Take care not to cross thread the screw in the mount.
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H45E1 Mounted in a KM100 Mirror Mount
The H45E1 Elliptical Mirror Mount is designed to hold 1" elliptical optics with a minimum thickness of 0.22" (5.5 mm), such as mirrors or beamsplitters. When used in beamsplitter or beam monitoring applications, the through hole on the back side has a diameter of Ø0.66" (Ø16.7 mm) while that on the bottom has a clear aperture of Ø0.40" (Ø10.2 mm).
This elliptical mount can be fastened in any unthreaded Ø1" kinematic mirror mount, such as the KM100 Mirror Mount, via the setscrew included with the kinematic mount (as shown to the right). It can also be mounted to a table or breadboard using a BA2F (BA2F/M) Flexure Base.
Alternatively, this angled mount can be secured to any 1/4"-20 (M6) tapped post or breadboard using a standard 1/4" washer and a 1/4"-20 (M6) cap screw. Place the 1/4" washer at the bottom of the mount, put the screw through the washer, and mount it into place. Please note that the mount must be secured to the post prior to installing the optic, as the washer and screw will only fit through the angled hole in the mount.
*The clear aperture of the back side port will be smaller than Ø0.66" (Ø16.7 mm).
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H45E2 Secured to a Ø1.5" Post using the BE1 Base Adapter
The H45E2 Elliptical Mirror Mount is designed to hold 2" elliptical optics with a minimum thickness of 0.47" (11.9 mm), such as mirrors or beamsplitters. When used in beamsplitter or beam monitoring applications, the through hole on the back side has a diameter of Ø1.32" (Ø33.5 mm) while that on the bottom has a clear aperture of Ø1.00" (Ø25.4 mm).
This angled mount can be held in any unthreaded Ø2" kinematic mirror mount, such as the KS2, via the setscrew included with the kinematic mount. The H45E2 can also be attached to a Ø1.5" post with a BE1 (BE1/M) post base using a 1/8" (3 mm) hex key. The image to the right illustrates the correct installation of the BE1. Please note the mount must be secured to the post prior to installing the optic, as the BE1 will only fit through the angled hole in the mount.
*The clear aperture of the back side port will be smaller than Ø1.32" (Ø33.5 mm).