JP2018512562A5 - - Google Patents

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JP2018512562A5
JP2018512562A5 JP2017538585A JP2017538585A JP2018512562A5 JP 2018512562 A5 JP2018512562 A5 JP 2018512562A5 JP 2017538585 A JP2017538585 A JP 2017538585A JP 2017538585 A JP2017538585 A JP 2017538585A JP 2018512562 A5 JP2018512562 A5 JP 2018512562A5
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waveguide
grating
transmitter
receiver
detector
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JP6867947B2 (ja
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  1. 第1の波長光の源と、
    前記光を走査する少なくとも1つのビーム偏向器と、
    少なくとも1つの格子層に配置されている多数の格子要素を含み、各前記要素は所定の範囲の出力方向に光を回折させるように動作する、送信機導波路と、
    受信機導波路と、
    前記受信機導波路と光学的に結合されている検出器と
    を含む導波路センサーであって、
    前記ビーム偏向器は、前記送信機導波路と光学的に結合されており、前記送信機導波路に結合されている走査光が前記格子要素の前記所定の範囲の出力方向を中心として角度掃引を実行するように構成されており
    記受信機導波路は、少なくとも1つの格子層に配置されている多数の格子要素を含み、記要素は、外部点から反射され、所定の角度範囲内で全反射(TIR経路に入射した光を、前記検出器に回折させる、
    導波路センサー。
  2. 前記送信機導波路又は前記受信機導波路のうち少なくとも1つにおける前記格子要素は、二次元アレイの要素である、請求項1に記載の装置。
  3. 前記送信機導波路又は前記受信機導波路のうち少なくとも1つにおける前記格子要素は、一次元アレイの要素である、請求項1に記載の装置。
  4. 前記送信機導波路又は前記受信機導波路のうち少なくとも1つにおける前記格子要素は、前記導波路の伝搬方向と直角に整列されたより長い寸法を有する長形要素である、請求項1に記載の装置。
  5. 前記送信機導波路又は前記受信機導波路のうち少なくとも1つにおける前記格子要素は、電気的に切り替え可能である、請求項1に記載の装置。
  6. 前記送信機導波路又は前記受信機導波路のうち少なくとも1つにおける前記格子要素は、前記導波路によって変化する表面積又はアスペクト比のうち少なくとも1つを有する、請求項1に記載の装置。
  7. 前記受信機導波路及び前記送信機導波路は、実質的に重複する、請求項1に記載の装置。
  8. 前記送信機導波路及び前記受信機導波路は各々、少なくとも2つの異なる格子ベクトルを有する格子要素を含む、請求項1に記載の装置。
  9. 前記送信機導波路又は前記受信機導波路のうち少なくとも1つは、異なる角度範囲にわたって動作する格子層を含む、請求項1に記載の装置。
  10. 前記送信機導波路又は前記受信機導波路のうち少なくとも1つは、折り畳み式格子を含む少なくとも1つの格子層を含む、請求項1に記載の装置。
  11. 前記送信機導波路及び前記受信機導波路は、少なくとも1つの格子レターに配置されている多数の格子要素を含む単一の導波路に組み合わせられており、前記各要素は、所定の範囲の出力方向に前記光を回折させるように動作しており、前記各要素は、外部点から反射され、所定の角度範囲内でTIR経路に入射した光を、前記検出器に回折させる、請求項1に記載の装置。
  12. 三次元ポイントクラウドを検出するように構成されている、請求項1に記載の装置。
  13. プリズム、格子、切り替え可能格子のうちの1つによって、又はエッジ結合を介して、前記スキャナーと前記送信機導波路との間の結合を行う、請求項1に記載の装置。
  14. 前記ビーム偏向器は、微小電気機械システムである、請求項1に記載の装置。
  15. 前記源は、赤外発光ダイオード又は赤外レーザーである、請求項1に記載の装置。
  16. 前記第1の波長は、約1550nmである、請求項1に記載の装置。
  17. 前記格子は、ホログラフィック高分子分散型液晶(HPDLC材料、均一変調HPDLC材料又は反転モードHPDLC材料に記録されているブラッグ格子、表面レリーフ格子又は切り替え可能ブラッグ格子のうちの1つである、請求項1に記載の装置。
  18. 導波路ヘッドマウントディスプレイ(HMD又は導波路視標追跡装置のうち少なくとも1つを形成するスタックにおける層を形成する、請求項1に記載の装置。
  19. 前記源と前記送信機導波路との間、及び前記検出器と前記受信機導波路との間に光学経路を与えるビーム分割器を更に含む、請求項12に記載の装置。
  20. 前記検出器は、ヘテロダイン検出デバイスである、請求項1に記載の装置。
JP2017538585A 2015-01-20 2016-01-19 ホログラフィック導波路ライダー Active JP6867947B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562125351P 2015-01-20 2015-01-20
US62/125,351 2015-01-20
PCT/GB2016/000014 WO2016116733A1 (en) 2015-01-20 2016-01-19 Holographic waveguide lidar

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JP2018512562A JP2018512562A (ja) 2018-05-17
JP2018512562A5 true JP2018512562A5 (ja) 2019-01-10
JP6867947B2 JP6867947B2 (ja) 2021-05-12

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US (3) US10330777B2 (ja)
EP (1) EP3248026B1 (ja)
JP (1) JP6867947B2 (ja)
CN (1) CN107533137A (ja)
WO (1) WO2016116733A1 (ja)

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