Mirror Mount, Tiny, Corner, 0.5 in., 3 Allen-Keys, Retaining Plate
The 9871-K Tiny Corner Mirror Mount with retaining plate is our most compact mount for applications where space is truly tight. Designed with the same mechanical principles as our larger classic mounts, it offers over 2 mm of pure translation and ±4° of tilt for 0.5 inch (12.7 mm) diameter optics. It has 6-80 adjustment screws and #2 (M2) clearance holes for mounting. All our Tiny mounts come standard without knobs. If you need knobs to adjust these mounts in your experiment, you can order our Model 9365 Tiny knobs.
Gimbal or Kinematic Movement
With a corner mount, the center of the mirror is intentionally located at the xy intersection of the pitch and yaw adjusters, i.e., at the virtual fourth point of the square formed by the ball points of the three actuators. To achieve gimbal movement, two adjacent adjustment screws must be actuated the exact same distance. For gimbal pitch adjustment, the adjuster normally used for yaw adjustment must be actuated along with the corner adjuster the exact same distance. For gimbal yaw adjustment, the adjuster normally used for pitch adjustment must be actuated along with the corner adjuster the exact same distance. In this way, the mirror is being rotated about two virtual axes that intersect at the center of the optic, aka gimbal movement. Adjust one actuator at a time and the mount acts as a standard kinematic optical mount. Adjust all three actuators to translate the optic in Z-axis.
Sapphire Kinematic Pads
Sapphire kinematic pads create contact surfaces for the adjustment screws that have very low friction and will not will not dent under normal use. Sapphire ensures excellent
adjustability and stability.
More Space Between Optic and Adjuster
Another benefit of the corner mount design is the additional space between the optic and the adjustment knobs. This allows for sharper beam splitting angles and easier access to the adjustment screws.
Allen-Key Adjustment
All of Newport's Industrial mounts have Allen-key adjustments to save space and prevent unintended adjustment.
Thread-matched Adjusters
Since grease can migrate, causing long-term creep, these mounts are exclusively fitted with thread-matched adjustment screws which need almost no grease. The result is actuators that have very smooth movement, and mounts with exceptional long-term and thermal stability.
Specifications
-
Mechanism
Kinematic
-
Optic Diameter
12.7 mm
-
Number of Actuators
3
-
Actuator Locks
No
-
Adjustment Screw Thread
80 TPI
-
z, θx, θy
-
14.3 arc sec
-
Angular Range
±4°
-
Optic Loading
Rear
-
Material
Stainless Steel
-
Allen-Key, non-locking
-
Thread Type
2-56 (M2) CLR
-
Optical Axis Height
15.9 mm
-
Special Features
Low-Stress Mounting
-
Mechanism
Kinematic
-
Optic Diameter
12.7 mm
-
Number of Actuators
3
-
Actuator Locks
No
-
Adjustment Screw Thread
80 TPI
-
z, θx, θy
-
14.3 arc sec
-
Angular Range
±4°
-
Optic Loading
Rear
-
Material
Stainless Steel
-
Allen-Key, non-locking
-
Thread Type
2-56 (M2) CLR
-
Optical Axis Height
15.9 mm
-
Special Features
Low-Stress Mounting