TW201821850A - Optical measurement device and method for installing optical part thereof - Google Patents

Abstract

An optical measurement device includs a housing and an optical assembly. The housing includes a wall having at least one opening. The optical assemby is disposed in the housing and includs an optical part. The wall covers the optcial part. The opening exposes the part of the optical part. Thus, a curing adhesive connecting the housing and the optical part can be formed form the opening so as to help to fix the optical part to the housing. In addition, a method for installing the optical part is provided.

Description

Optical measuring device and mounting method thereof

The present invention relates to an optical measuring device and a method of mounting the optical component thereof, and more particularly to an optical fiber measuring device capable of adjusting an optical component and an optical measuring device using the mounting method.

Existing optical measuring devices, such as spectrometers, require precision assembly to make multiple optical components, such as lenses, gratings, reflectors, and photodetectors. ), can be in the appropriate position and orientation, so that the optical measuring device can maintain a certain accuracy and precision.

In general, during the precision assembly described above, the optical measuring device is activated and the position and orientation of the optical components are adjusted for calibration. Once the correction is complete, the optical components are fixed so that the arrangement of the optical components remains the same. Otherwise, once the configuration of these optical components changes due to vibration, it will easily cause a decrease in accuracy and precision, resulting in distortion of the measurement results of the optical measuring device.

The present invention provides an optical metrology apparatus having a housing having at least one opening that exposes a portion of the optical component that is adhesively coated to assist in securing the optical component to the housing.

The present invention provides a method of mounting an optical component, which is applied to the above optical measuring device.

The optical measuring device provided by the invention comprises a casing and an optical assembly. The housing includes a wall panel and the wall panel has at least one opening. The optical component is disposed within the housing and includes an optical component. The optical component has a back side. The wall covers the back side and at least one opening exposes a portion of the back. The optical component is rotatably disposed within the housing and is constrained to rotate relative to the wall along a rotational axis.

A method of mounting an optical component provided by the present invention includes the following steps. An optical component is rotatably disposed in a housing and restricts rotation of the optical component relative to the housing along a rotating shaft. Next, the optical member is corrected by the rotation of the optical member relative to the housing along the rotating shaft. After correcting the optical component, a cured adhesive that connects the optical component to the wall is formed in at least one of the openings.

Based on the above, since the opening exposes a part of the optical component, the curing glue can be directly formed from the opening and connect the housing and the optical component to help fix the optical component on the housing, so that it is difficult to generate relative motion between the optical component and the wall panel. To help maintain the accuracy and precision of the optical measurement device.

In order to make the features and advantages of the present invention more comprehensible, the following detailed description of the embodiments and the accompanying drawings are set forth below.

1A is a schematic perspective view of an optical measuring device according to an embodiment of the present invention, and FIG. 1B is a schematic top view of the optical measuring device of FIG. 1A. Referring to FIGS. 1A and 1B , the optical measuring device 100 includes a housing 110 and an optical component 120 , and the optical component 120 is disposed in the housing 110 . The housing 110 can include a cover (not shown) to enable the housing 110 to enclose the entire optical assembly 120, thereby protecting the optical assembly 120 and reducing external light interference with the optical assembly 120. In addition, the inner surface of the housing 110 (including the cover) may be black or coated with a low reflectivity film to reduce reflection of light and reduce stray light generated inside the optical measuring device 100. .

In order to clearly show the configuration of the optical measuring device 100 of the present embodiment, FIG. 1A and FIG. 1B illustrate the optical measuring device 100 after removing the cover. Regarding the above cover plate, it may be a rigid plate such as a metal plate or a ceramic plate, and may be assembled by screwing or adhering. Therefore, the main construction of the cover is simple, and even if the cover is not shown in the drawings, those skilled in the art can still know how to implement the cover.

Optical assembly 120 includes a plurality of optical components. Taking FIG. 1A and FIG. 1B as an example, the optical assembly 120 includes five optical components 121, 122, 123, 124, and 125. In this embodiment, the optical component 121 is a light input portion and has a baffle 121a and a slit (not shown). The light blocking piece 121a has an aperture for light to pass through, and is disposed between the slit and the optical member 122, and a portion of the light blocking piece 121a around the hole can block the light having an excessive incident angle to reduce or eliminate the impurity. astigmatism. The optical component 122 is a reflective collimating mirror. The optical component 123 includes a grating and a susceptor that fixes the grating, wherein the grating is, for example, a planar grating. Optical component 124 can be used as a focusing mirror in which optical components 122 and 124 can reflect light. The optical component 125 is a photo sensor, which may be a Charge-coupled Device (CCD) or a Complementary Metal-Oxide-Semiconductor (CMOS).

In the embodiment illustrated in FIGS. 1A and 1B, the optical metrology apparatus 100 can be a spectrometer, and the optical assembly 120 includes five optical components 121-125, but in other embodiments, the optical metrology apparatus 100 can be an interference. An interferometer or a monochromator, and the optical component 120 may include at least one optical component, wherein the optical component 120 may include a beam splitter, a fiber, and/or a cosine correction. (cosine corrector). Therefore, the optical measuring device 100 shown in FIG. 1A and FIG. 1B is for illustrative purposes only, and the optical measuring device (for example, the optical measuring device 100) disclosed in the present invention is not limited to a spectrometer, and is not limited to an optical component. The number and type of optical components included (e.g., optical assembly 120).

1C is a schematic cross-sectional view taken along line 1C-1C of FIG. 1A. Referring to FIGS. 1A and 1C, the housing 110 includes a wall 111 and the wall 111 has at least one opening 111h. Taking FIG. 1A as an example, the wall panel 111 has two openings 111h. The wall 111 covers the optical component 124, and the openings 111h expose a portion of the optical component 124. In detail, the optical member 124 is adjacent to the wall panel 111, and the optical member 124 has a back surface 242b in which the wall panel 111 covers the back surface 242b, and these openings 111h expose a portion of the back surface 242b as shown in FIG. 1C.

Referring to FIG. 1C, the optical measuring device 100 further includes at least one curing adhesive 130 connecting the wall plate 111 and the back surface 242b. The curing glue 130 can be cured by a glue material, wherein the glue material can be a Bingham fluid, so the glue material can be coated before it is cured and becomes the curing glue 130. On the surface. Since the opening 111h of the wall 111 exposes the back surface 242b of the optical member 124, the glue can be easily applied from the opening 111h to the back surface 242b and the wall 111, and can enter the gap between the back surface 242b and the wall 111. After the adhesive is cured, a cured adhesive 130 extending from the opening 111h to the back surface 242b is formed, which can fix the optical member 124 on the wall 111 so that relative movement between the optical member 124 and the wall 111 does not occur (relative Motion). As such, the optical component 124 can be secured in position and orientation to help maintain the accuracy and precision of the optical metrology apparatus 100.

In the embodiment shown in FIG. 1A, the respective openings 111h are strip-shaped, and the extending directions and shapes of the strip-shaped openings 111h are substantially identical to each other. For example, each of the openings 111h may extend in the vertical direction as shown in FIG. 1A. However, in other embodiments, the opening 111h may extend in the horizontal direction or in an oblique direction that is not parallel or perpendicular to the horizontal direction, and the number of the openings 111h of the wall 111 may be only one or More than two. In addition, the shape of the opening 111h may also be a geometric shape such as a circle, a rectangle or a triangle, and the openings 111h of these geometric shapes may be arranged in an array. The shape of the at least two openings 111h can be significantly different. For example, one of the openings 111h has a rectangular shape, and the other opening 111h has a triangular shape.

1D is a schematic cross-sectional view taken along line 1D-1D of FIG. 1A. Referring to FIGS. 1A and 1D , the optical measuring device 100 may further include at least one stopper 140 . The stopper 140 is fixed in the opening 111h and covers the back surface 242b, wherein the number of the stoppers 140 may be the same as the number of the openings 111h. Taking FIG. 1A and FIG. 1D as an example, the number of the openings 111h of the wall plate 111 is two, so the number of the stoppers 140 included in the optical measuring device 100 is also two. The stoppers 140 can be respectively fixed in the openings 111h so that the wall plate 111 can cover the entire back surface 242b, so that external light cannot enter the inside of the casing 110 from the opening 111h.

Thus, external light cannot enter the inside of the casing 110 from any one of the openings 111h to reduce stray light that may interfere with the optical member 125 (photosensor). In addition, the method of fixing the stopper 140 to the opening 111h may be a glue, a screw lock or an interference fit. For example, in the case of adhesive, the stopper 140 can be fixed to the opening 111h by a black rubber material, and the black rubber material has low reflectivity and can absorb light, thereby effectively preventing external light from entering the optical measuring device 100. .

Each of the stops 140 can have a flange 142 and the opening 111h can fit the flange 142. Specifically, the wall panel 111 further has an outer surface 111a, an inner surface 111b, and at least one bump 111c. The inner surface 111b is opposite the outer surface 111a and faces the back surface 242b of the optical member 124. The bump 111c is formed in the opening 111h and has an end surface 111e extending from the side wall of the opening 111h, and the end surface 111e is located between the inner surface 111b and the outer surface 111a, wherein the end surface 111e may have a ring shape. After the stoppers 140 are respectively fixed to the openings 111h, the stopper 140 can be inserted into the opening 111h and can be buried in the wall 111, and the flange 142 will abut the end surface 111e of the projection 111c, as shown in FIG. 1D. Shown.

The abutment between the protrusion 111c and the flange 142 can block external light entering from the gap between the flange 142 and the opening 111h, so as to effectively prevent external light from entering the interior of the optical measuring device 100, thereby further reducing external light. Interference with optical component 120. However, it should be noted that in other embodiments, the stopper 140 can prevent most of the external light from entering the interior of the optical measuring device 100 even without the flange 142, so the stopper 140 is not limited to have the flange 142. . Further, in the present embodiment, the stopper 140 fixed in the opening 111h does not contact the optical member 124. Thus, when the stopper 140 is collided, the stopper 140 does not touch the optical member 124 to change the original position and orientation of the optical member 124, thereby reducing the adverse effects on accuracy and precision.

It is worth mentioning that the embodiment uses the stopper 140 to cover the opening 111h to block external light, but in other embodiments, other objects such as a tape or a circuit board may be used to cover the opening 111h. Alternatively, the housing 110 may further include an outer wall (not shown) extending from the wall panel 111, wherein the outer wall and the wall panel 111 are surrounded by a receiving area for other components (such as a circuit board). In addition, the wall can also block external light, thereby reducing the interference of external light on the optical component 120. Therefore, the opening 111h of the wall panel 111 is not limited to being covered by only the stopper 140.

Optical component 124 can be an assembly that includes at least two components. Taking FIG. 1D as an example, the optical component 124 can include a carrier 242 and an optical component 241, wherein the optical component 241 is secured to the carrier 242. The carrier 242 has a back surface 242b and is located between the optical element 241 and the wall 111. In addition, in the present embodiment, the optical element 241 is a focusing mirror, which is a kind of mirror, but in other embodiments, the fixing manner of the optical element 241 can also be applied to other optical elements, such as grating or reflective collimation. mirror.

2A to 2E are schematic views of a method of mounting the optical component of Fig. 1D. The above is mainly described in the general configuration of the optical measuring apparatus 100, and the detailed configuration and mounting method of the optical member 124 will be described in detail below with reference to FIGS. 2A to 2D.

Please refer to FIG. 2A and FIG. 2B , wherein FIG. 2B is a schematic cross-sectional perspective view of the optical measuring device 100 of FIG. 1A , which shows the partial configuration of the optical measuring device 100 and the optical component 124 in detail, and FIG. 2A shows the explosion of FIG. 2B . schematic diagram. In the mounting method of the optical member 124, the optical member 124 is rotatably disposed in the housing 110, and the optical member 124 is restricted from rotating relative to the wall 111 along the rotation axis R1. That is to say, the optical member 124 disposed in the casing 110 can basically rotate only relative to the wall 111 along the rotating shaft R1, does not move relative to the wall 111, and does not rotate along the other rotating shafts.

It should be noted that in the embodiment shown in FIG. 2B, the rotation axis R1 is substantially parallel to the horizontal level, but in other embodiments, the rotation axis R1 may also be substantially perpendicular to the horizontal plane. Therefore, the optical member 124 can be rotated up and down (as shown in FIG. 2B) or rotated left and right. In addition, in other embodiments, the rotating shaft R1 may not be parallel or perpendicular to the horizontal plane, so that the optical member 124 can rotate relative to the wall 111 along the inclined rotating shaft R1.

The optical metrology apparatus 100 further includes a shaft 150 that enables the optical component 124 to be rotatably disposed within the housing 110 and that limits the optical component 124 to substantially only the wall along the rotational axis R1. 111 turns. In detail, in the process of rotatably arranging the optical component 124 in the housing 110, the shaft 150 can be rotatably inserted into the housing 110 so that the shaft 150 can be relatively along the rotating shaft R1. Rotating in the housing 110, wherein the rotating shaft R1 is the central axis of the shaft 150, the shaft 150 is rotated along the rotating shaft R1.

The housing 110 has a through hole 112h into which the shaft 150 can be inserted, wherein the shaft 150 can be clearance fit with the through hole 112h. Thus, the shaft 150 is rotatably inserted into the through hole 112h. In addition, the housing 110 may further include a block 112 in which the shaft 150 is inserted. The block 112 has a through hole 112h and is connected to the wall plate 111, and the shaft 150 is rotatably inserted into the block 112 from the through hole 112h. Next, the shaft 150 and the optical member 124 are coupled to rotate the shaft 150 and the optical member 124 in synchronization with the wall 111 along the rotating shaft R1.

The method of connecting the shaft 150 to the optical component 124 may be to screw the shaft 150 into the optical component 124. In detail, the shaft 150 may be a shoulder screw and has a thread 151, and the carrier 242 has a screw hole C11. After the optical component 124 is disposed in the housing 110 and the shaft 150 is inserted into the through hole 112h, the shaft 150 is aligned to and can be screwed to the screw hole C11. As such, the shaft 150 is coupled to the carrier 242 of the optical component 124 such that the optical component 124 is rotatably disposed within the housing 110, thereby restricting rotation of the optical component 124 relative to the housing 110 along the axis of rotation R1. Moreover, in other embodiments, the shaft 150 can be attached to the optical component 124 by other means, such as an adhesive or interference fit. Therefore, the connection method between the shaft 150 and the optical member 124 is not limited to the use of the screw lock.

In addition, before the optical component 124 is rotatably disposed in the housing 110, the optical component 241 can be fixed on the carrier 242 to complete the assembly of the optical component 124. The carrier 242 includes a plate P1, and the optical member 241 is fixed to the plate P1. The plate body P1 has a back surface 242b and a bearing surface 242a opposite to the back surface 242b, and the optical element 241 is fixed to the bearing surface 242a, wherein the optical element 241 can be fixed to the bearing surface 242a by adhesive, screw or interference fit. Further, the carrier 242 may further include a connecting portion C1. The connecting portion C1 connects the plate body P1 and the shaft 150, and has a screw hole C11. Therefore, the shaft 150 is screwed to the connecting portion C1. The connecting portion C1 may protrude from the bearing surface 242a to enable the optical member 241 to abut against the connecting portion C1 to thereby position the optical member 241.

The carrier 242 can also include a pivot portion C2. The pivoting portion C2 is coupled to the plate body P1 and protrudes from the bearing surface 242a. The pivoting portion C2 is located opposite the connecting portion C1 and may be a stud as shown in FIG. 2A. After the optical component 241 is fixed on the carrier 242, the optical component 241 is positioned at the pivoting portion C2 and connected. Between C1. The housing 110 further has a pivot hole 114h aligned with the pivoting portion C2, and the pivoting portion C2 can be inserted into the pivot hole 114h and cooperate with the clearance of the pivot hole 114h to enable the pivoting portion C2 to be pivoted The inside of the hole 114h rotates. In addition, the pivot hole 114h, the screw hole C11, and the through hole 112h are coaxial, so that the pivot portion C2, the connecting portion C1, and the shaft 150 can be opposite to the wall 111 along the same rotating shaft R1. Turn.

It is worth mentioning that in the present embodiment, the optical component 124 includes the optical component 241 and the holder 242, but in other embodiments, the optical component 124 may include only the optical component 241, and does not include other components. For example, carrier 242. For example, the optical element 241 can have a threaded hole C11 to enable the shaft 150 to be directly threaded with the optical element 241. Thus, optical component 124 is not limited to include optical component 241 and carrier 242 as in FIG. 2A.

When the shaft 150 of the optical member 124 is rotated relative to the housing 110 along the rotation axis R1, the optical member 124 is rotated relative to the housing 110 along the rotation axis R1. As such, the orientation of the optical component 124 can be adjusted by the rotation of the shaft 150. Therefore, after the optical member 124 is rotatably disposed in the casing 110, the optical member 124 is corrected by the rotation of the optical member 124 along the rotation axis R1 with respect to the casing 110 to perform the mounting of the optical member 124. In addition, in the embodiment, the angle A1 of the optical component 124 that is rotatable relative to the wall 111 along the rotation axis R1 may be less than 90 degrees, for example, the angle A1 may be 4 degrees, 5 degrees, 10 degrees, 30 degrees, 45 degrees or 60 degrees, but other embodiments do not limit the angle A1 must be less than 90 degrees.

Referring to FIG. 2C, in the method of correcting the optical component 124, at least one optical parameter, such as intensity sensitivity, may be monitored according to a measured ray L1 passing through the optical component 124, such as a count/second. Counts/second), wavelength resolution, or wavelength accuracy. That is, when the optical component 124 is corrected, the optical measuring device 100 can be activated and the detected light L1 supplied from the external light source can be detected.

In the embodiment shown in FIG. 2C, the detection light L1 enters the interior of the optical measurement device 100 from the optical component 121. Next, the detection light beam L1 sequentially passes through the optical member 122 (reflective collimating mirror) and the optical member 123 (grating). After the detection light L1 is incident on the optical member 123, the optical member 123 disperses the detection light L1 to divide the detection light L1 into a plurality of detection light beams L2 having different wavelengths. Then, the detection light beams L2 are incident on the optical component 124 (focusing mirror), and are collectively reflected by the optical component 124 to the optical component 125 (photosensor), so that the optical component 125 receives and measures the detection light L2, and further Monitor optical parameters. In addition, the housing 110 may also include a serrated stray light removal structure 113 to eliminate stray light from the optical component 124.

During the measurement of the detection light L2 by the optical component 125, the optical component 124 can be rotated relative to the housing 110 along the rotation axis R1 to change the illumination of the optical component 125 by the detection light L2, thereby adjusting the optical parameters. Therefore, the optical parameters can be adjusted within the acceptable range by the rotation of the optical member 124 along the rotating shaft R1 with respect to the housing 110 to complete the correction of the optical member 124. When the optical parameter is within the acceptable range, the optical component 124 is fixed in the housing 110, wherein the optical component 124 is fixed by a plurality of means, such as a screw lock and/or an adhesive. In this embodiment, the fixing component and the curing adhesive 130 are used. Come fixed.

The optical metrology apparatus 100 can also include a fixture for securing the shaft 150 such that the shaft 150 does not rotate relative to the wall 111. There are many ways to implement the fastener, such as a screw or a bolt. In the present embodiment, the fixing member included in the optical measuring device 100 is a fixing bolt 160. When the optical parameters are within the acceptable range, the optical plug 124 can be secured by the retaining pin 160. In detail, the fixing bolt 160 is inserted into the housing 110, and the fixing bolt 160 is pressed against the shaft 150, wherein the fixing bolt 160 can touch the shoulder 152 of the shaft 150 (as shown in FIG. 2A). As such, the shaft 150 is secured by the retaining pin 160 while also securing the optical component 124. The housing 110 block 112 has a fixing hole 112p into which the fixing bolt 160 is inserted. The fixing hole 112p communicates with the through hole 112h, and the extending direction of the fixing hole 112p is not parallel to the extending direction of the through hole 112h, so that the fixing pin 160 can be pressed to the shaft 150, thereby fixing the optical member 124. In addition, the fixing bolt 160 can be a screw, and the fixing hole 112p can be a screw hole, so the method of inserting the fixing bolt 160 can screw the fixing bolt 160 into the housing 110.

Referring to FIG. 2D, after the fixing bolt 160 presses the shaft 150, the optical parameters are still within the acceptable range under normal conditions, that is, the correction of the optical component 124 is substantially completed. At this time, a curing adhesive 130 that connects the optical member 124 and the housing 110 is formed in the opening 111h. The method of forming the curing adhesive 130 may include the following steps. First, a glue is applied from the opening 111h, wherein the glue adheres the optical member 124 to the wall 111. Thereafter, the glue is cured to form a cured adhesive 130, wherein the adhesive may be a thermosetting resin or a photocurable resin (for example, a UV-curing resin), so the method of curing the adhesive may be heating or illuminating. After the curing adhesive 130 is formed, the stopper 140 may be inserted and fixed in the opening 111h to cover the optical member 124.

Please refer to FIG. 2E , which is a side view of the optical measuring device 100 at its stop 140 . In this embodiment, the cured glue 130 can exhibit a symmetric distribution on the back side 242b, such as a reflective symmetric distribution. Taking FIG. 2E as an example, the back surface 242b has a center line 242c which is parallel to the rotation axis R1, and the curing glue 130 is mirror-symmetrically distributed on the back surface 242b with respect to the center line 242c. Specifically, the fixing glue 130 may be composed of a plurality of uniform adhesive bars 132, and each of the uniform strips 132 has a uniform thickness and a substantially constant outer diameter, wherein the uniform glues The mass of strips 132 may be substantially identical to each other. As seen in Figure 2E, each of the uniform strips 132 is substantially mirror symmetrical with the centerline 242c as the symmetric axis. In addition, the extending direction of each of the uniform strips 132 is not parallel to the rotating shaft R1.

Since the curing adhesive 130 is mirror-symmetrically distributed on the back surface 242b with respect to the center line 242c, and the center line 242c is parallel to the rotation axis R1, when the curing glue 130 changes in volume due to temperature, the volume change of the uniform rubber strips 132 will be mutually Similar, even nearly equal, such that the expanded cured adhesive 130 does not readily produce a torque that causes the optical component 124 to rotate. Therefore, when the optical measuring device 100 is in an environment where the temperature changes greatly, the cured adhesive 130 in a mirror-symmetrical distribution can help maintain the position and orientation of the optical member 124, thereby reducing the generation of stray light.

It is worth mentioning that the calibration work of the above optical component 124 can be performed by a downstream manufacturer. In detail, after the optical component 120 is disposed in the housing 110, the optical measuring device 100 without the curing adhesive 130 can be shipped to a downstream manufacturer, and the downstream manufacturer performs the correction of the optical component 124 described above, and The curing adhesive 130 and the stopper 140 are formed to complete the work of mounting the optical member 124. Therefore, although the optical measuring device 100 of the present embodiment includes the curing adhesive 130 and the stopper 140, in other embodiments, the optical measuring device 100 may not include the curing adhesive 130 and the stopper 140.

It should be noted that the mounting method described in the above embodiments is mainly to mount the optical component 124 (focusing mirror), but the mounting method of other embodiments may also be to install different kinds of optical components, such as slits, gratings, reflections. Collimation mirror and beam splitter. Therefore, it is emphasized herein that the present invention does not limit the mounting method that can only be used to mount the focusing mirror (optical component 124). That is, the optical components 121, 122, 123, and 125 can also be mounted using the mounting method disclosed in FIGS. 2A through 2D.

In summary, the opening of the housing is used to expose a portion of the optical component such that the curing adhesive can be formed directly from the opening and connect the housing to the optical component to help secure the optical component to the housing, allowing the optical component to Relative movement between the panels is difficult. Thus, even if the optical measuring device is impacted, the cured adhesive can hold the optical components in the proper position and orientation to help maintain the accuracy and precision of the optical measuring device. Further, the opening for the solidified adhesive is formed in the wall 111 of the casing, so that even if there is a relatively narrow gap between the optical member and the wall, the formation of the cured adhesive is not affected. That is to say, the opening design disclosed in the above embodiments can allow the optical component to be adjoined to the wall panel to form a narrow gap between the optical component and the wall panel, thereby helping to reduce the overall optical measuring device. volume.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and those skilled in the art can make some modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of the invention is defined by the scope of the appended claims.

100‧‧‧Optical measuring device

110‧‧‧shell

111‧‧‧ siding

111a‧‧‧Outer surface

111b‧‧‧ inner surface

111c‧‧‧Bumps

111e‧‧‧ end face

111h‧‧‧ openings

112‧‧‧ Block

112h‧‧‧through hole

112p‧‧‧Fixed holes

113‧‧‧ Stray light elimination structure

114h‧‧‧ pivot hole

120‧‧‧Optical components

121~125‧‧‧Optical parts

121a‧‧‧Light blocking film

130‧‧‧Curing adhesive

132‧‧‧strips

140‧‧ ‧stop

142‧‧‧Flange

150‧‧‧ shaft

151‧‧‧ thread

152‧‧‧ shoulder

160‧‧‧Fixed bolt

241‧‧‧Optical components

242‧‧‧ Carrying parts

242a‧‧‧ bearing surface

242b‧‧‧Back

242c‧‧‧ center line

A1‧‧‧ angle

C1‧‧‧Connecting Department

C2‧‧‧ pivoting department

C11‧‧‧ screw hole

L1, L2‧‧‧ Detecting light

P1‧‧‧ board

R1‧‧‧ shaft

1A is a schematic perspective view of an optical measuring device according to an embodiment of the present invention. FIG. 1B is a top plan view of the optical measuring device of FIG. 1A. 1C is a schematic cross-sectional view taken along line 1C-1C of FIG. 1A. 1D is a schematic cross-sectional view taken along line 1D-1D of FIG. 1A. 2A to 2E are schematic views of a method of mounting the optical component of Fig. 1D.

Claims (26)

An optical measuring device comprising: a housing comprising a wall panel having at least one opening; and an optical component disposed in the housing and including an optical component, the optical component having a back surface, The wall covers the back surface, and the at least one opening is for exposing a portion of the back surface, wherein the optical member is rotatably disposed within the housing and is constrained to rotate relative to the wall along a rotating shaft. The optical measuring device of claim 1, further comprising a curing glue connecting the wall plate and the back surface, wherein the curing glue extends from the at least one opening to the back surface, and fixing the optical component to the wall On the board. The optical measuring device according to claim 2, wherein the back surface has a center line parallel to the rotating shaft, and the curing adhesive is symmetrically distributed on the back surface with respect to the center line. The optical measuring device of claim 3, wherein the fixing glue is composed of a plurality of uniform strips, and each of the uniform strips extends in a direction not parallel to the rotating shaft. The optical measuring device of claim 1, further comprising: a shaft connected to the optical component and rotatably inserted in the housing such that the shaft and the optical component are along the rotating shaft And rotating relative to the wall, wherein the rotating shaft is a central axis of the shaft. The optical measuring device of claim 5, wherein the optical component comprises: a carrier having the back surface and connecting the shaft; and an optical component fixed to the carrier, wherein the carrier Located between the optical element and the wall. The optical measuring device of claim 6, wherein the carrier comprises: a plate having the back surface and a bearing surface opposite the back surface, wherein the optical component is fixed to the bearing surface; and a connection a portion connecting the plate body and the shaft and protruding from the bearing surface. The optical measuring device of claim 6, wherein the optical component is a focusing mirror, a reflective collimating mirror or a grating. The optical measuring device of claim 5, further comprising a fixing member for fixing the shaft such that the shaft does not rotate relative to the wall. The optical measuring device of claim 9, wherein the fixing member is a fixing bolt, and the housing has a constant hole and a fixing hole communicating with the through hole, the extending direction of the fixing hole is not parallel to The extending direction of the through hole, wherein the shaft is rotatably inserted into the through hole, and the fixing bolt is inserted into the fixing hole and used for pressing the shaft. The optical measuring device of claim 1, further comprising at least one stopper fixed in the at least one opening and covering the back surface so that external light cannot enter from the at least one opening The inside of the housing. The optical measuring device of claim 11, wherein the wall further has an outer surface, an inner surface opposite the outer surface, and at least one protrusion facing the back surface, and the at least one a bump formed in the at least one opening and having an end surface extending from a sidewall of the at least one opening, the end surface being located between the inner surface and the outer surface, and the at least one stopper having abutting the end surface Flange. The optical measuring device of claim 11, wherein the stop does not contact the optical component. The optical measuring device of claim 1, wherein the at least one opening has a strip shape. The optical measuring device of claim 1, wherein the optical component is rotatable relative to the wall along the axis of rotation by less than 90 degrees. A method of mounting an optical component, comprising: rotatably disposing an optical component in a housing and restricting the optical component from rotating relative to the housing along a rotating shaft, wherein the optical component has a back surface, and the housing Including a wall covering the back surface, the wall having at least one opening that exposes the back surface; correcting the optical component by rotation of the optical component relative to the housing along the rotating shaft; and after correcting the optical component Forming a curing glue connecting the optical component and the wall in the at least one opening. The method of installing the optical component of claim 16, wherein the method of forming the cured adhesive comprises: applying a glue from the at least one opening, wherein the adhesive adheres the optical component to the wall; and curing The glue. The method of mounting an optical component according to claim 16, wherein the method of rotatably disposing the optical component in the housing comprises: rotatably inserting a shaft into the housing; and connecting the shaft And the optical component, wherein the rotating shaft is a central axis of the shaft, and when the shaft is rotated relative to the housing along the rotating shaft, the optical component rotates relative to the housing along the rotating shaft. The method of mounting an optical component according to claim 18, wherein the shaft has a thread, and the method of connecting the shaft to the optical component comprises screwing the shaft into the optical component. The method of installing an optical component according to claim 16, further comprising: fixing at least one stopper in the at least one opening to cover the optical component, so that external light cannot enter the shell from the at least one opening Inside the body. The method of mounting an optical component according to claim 16, wherein the optical component comprises a carrier and an optical component, and the optical component is fixed to the carrier before the optical component is rotatably disposed in the housing On the piece. The method of installing an optical component according to claim 16, wherein the method of correcting the optical component comprises: monitoring at least one optical parameter according to a detected light passing through the optical component; rotating relative to the housing along the rotating shaft The optical component adjusts the at least one optical parameter to a qualified range; and when the at least one optical parameter is within the acceptable range, securing the optical component within the housing. The method of mounting an optical component according to claim 22, wherein the method of fixing the optical component in the housing comprises: forming a curing glue connecting the optical component and the housing in the at least one opening. The method of mounting an optical component according to claim 23, wherein the fixing the optical component in the casing further comprises: fixing a shaft by a fixing member before forming the curing glue. The method of mounting an optical component according to claim 24, wherein the fixing member fixes the shaft comprises: inserting a fixing bolt into the housing, and pressing the fixing bolt to press the shaft, wherein the fixing The direction in which the bolt extends is not parallel to the direction in which the shaft extends. The method of mounting an optical component according to claim 25, wherein the method of inserting the fixing bolt comprises screwing the fixing bolt into the housing.