JPH0473850U - - Google Patents
Info
- Publication number
- JPH0473850U JPH0473850U JP11751690U JP11751690U JPH0473850U JP H0473850 U JPH0473850 U JP H0473850U JP 11751690 U JP11751690 U JP 11751690U JP 11751690 U JP11751690 U JP 11751690U JP H0473850 U JPH0473850 U JP H0473850U
- Authority
- JP
- Japan
- Prior art keywords
- laser
- group
- size distribution
- particle size
- condensing lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002245 particle Substances 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Description
第１図は本考案の一実施例を示す全体構成図で
ある。第２図は公知のレーザー光による粒度分布
測定装置を示す全体系統図、第３図は第２図のリ
ングセンサーの説明図である。
１……長波長レーザー装置、２……長波長レー
ザー光、３……短波長レーザー装置、４……短波
長レーザー光、５……ダイクロイツクミラー、６
……ダイクロイツクミラー、７……回折光、８…
…リングセンサー、９……回折光、１０……リン
グセンサー、１１，１２……レンズ、１３……平
行レーザー光、１４……粒子群、１５……回折光
、１６……集光レンズ。
FIG. 1 is an overall configuration diagram showing an embodiment of the present invention. FIG. 2 is an overall system diagram showing a known particle size distribution measuring device using laser light, and FIG. 3 is an explanatory diagram of the ring sensor shown in FIG. 2. 1... Long wavelength laser device, 2... Long wavelength laser beam, 3... Short wavelength laser device, 4... Short wavelength laser beam, 5... Dichroic mirror, 6
...Dichroic mirror, 7...Diffracted light, 8...
...Ring sensor, 9... Diffracted light, 10... Ring sensor, 11, 12... Lens, 13... Parallel laser beam, 14... Particle group, 15... Diffracted light, 16... Condensing lens.
Claims (1)
その回折光を集光レンズによりその焦点面に設置
した同心円状のリング光センサー群上に結像させ
得られた光環の直径及び光強度分布から上記粒子
群の粒度分布を求める粒度分布測定装置において
、長波長のレーザー光と短波長のレーザー光を発
射するレーザー装置と、両レーザー装置と粒子群
の間に置かれ、上記２波長のレーザー光を合成す
るダイクロイツクミラーと、集光レンズの後に置
かれ上記２波長を分離するダイクロイツクミラー
と、上記ダイクロイツクミラーに関して共役でか
つ集光レンズの焦点面に置かれた２つのリング光
センサーとを具えたことを特徴とするレーザー式
粒度分布測定装置。 From the diameter and light intensity distribution of the light ring obtained by irradiating a group of particles to be measured with parallel laser light and focusing the diffracted light on a group of concentric ring optical sensors installed at its focal plane using a condensing lens. In the particle size distribution measuring device for determining the particle size distribution of the above particle group, a laser device that emits a long wavelength laser beam and a short wavelength laser beam, and a laser device that is placed between both laser devices and the particle group, and a laser beam of the two wavelengths mentioned above. a dichroic mirror placed after the condensing lens to separate the two wavelengths; and two ring optical sensors conjugate with respect to the dichroic mirror and placed in the focal plane of the condensing lens. A laser particle size distribution measuring device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11751690U JPH0473850U (en) | 1990-11-08 | 1990-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11751690U JPH0473850U (en) | 1990-11-08 | 1990-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0473850U true JPH0473850U (en) | 1992-06-29 |
Family
ID=31865415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11751690U Pending JPH0473850U (en) | 1990-11-08 | 1990-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0473850U (en) |
-
1990
- 1990-11-08 JP JP11751690U patent/JPH0473850U/ja active Pending