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      <NetUnrealizedGainsInvstAmt>-5729017</NetUnrealizedGainsInvstAmt>
      <DonatedServicesAndUseFcltsAmt>889034</DonatedServicesAndUseFcltsAmt>
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      <OtherRevenueAmt>-44138</OtherRevenueAmt>
      <RevenueNotReportedAmt>-4884121</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>6077578</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>80767</InvestmentExpensesNotIncldAmt>
      <OtherRevenuesNotIncludedAmt>0</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>80767</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>6158345</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>3805573</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>844896</DonatedServicesUseFcltsAmt>
      <PriorYearAdjustmentsAmt>0</PriorYearAdjustmentsAmt>
      <LossesReportedAmt>0</LossesReportedAmt>
      <OtherExpensesIncludedAmt>0</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>844896</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>2960677</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>80767</InvestmentExpensesNotIncld2Amt>
      <OtherExpensesNotIncludedAmt>0</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>80767</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>3041444</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part V, Line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>Intended use of the endowment funds are based on the intentions of the donors and Board of Directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part XI, Line 2d</FormAndLineReferenceDesc>
        <ExplanationTxt>Administrative expenses</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
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      <GrantsToOrgOutsideUSGrp>
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      <GrantsToOrgOutsideUSGrp>
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        <ValuationMethodUsedDesc>Wire</ValuationMethodUsedDesc>
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      <ForeignIndividualsGrantsGrp>
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        <MannerOfCashDisbursementTxt>Wire</MannerOfCashDisbursementTxt>
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      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
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      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule F, Part I, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>All financial awards are based on established policies. Award recipients are requested to file a final report with the Optica Foundation.</ExplanationTxt>
      </SupplementalInformationDetail>
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      <GrantsOtherAsstToIndivInUSGrp>
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      <GrantsOtherAsstToIndivInUSGrp>
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      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Travel Grant</GrantTypeTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule I, Part I, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>All financial awards are disbursed based on established policies. Award recipients are requested to file a final report with the Optica Foundation.</ExplanationTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Chad Stark</PersonNm>
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        <OtherCompensationFilingOrgAmt>10250</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>15250</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>5792</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>188163</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>After the return has been prepared and reviewed by Optica staff, the Audit Council of the Optica Board of Directors reviews and approves the form. Once the form has been approved, the Audit Council recommends to the Optica Board of Directors acknowledgement of access to the 2022 Optica Foundation IRS Form 990.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Conflict of Interest Statements are required each year. They are reviewed and approved by the Audit Council of the Optica Board of Directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The governing documents, conflict of interest policy and statements are not made available to the public.</ExplanationTxt>
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          <CityNm>Washington</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20036</ZIPCd>
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        <EIN>530259696</EIN>
        <PrimaryActivitiesTxt>Promote and dissemimate knowledge of optics worldwide</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DC</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>509(A)(2)</PublicCharityStatusTxt>
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      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
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      <ReimbursementPaidToOtherOrgInd>1</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
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          <BusinessNameLine1Txt>Optical Society of America Inc</BusinessNameLine1Txt>
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        <MethodOfAmountDeterminationTxt>Cash</MethodOfAmountDeterminationTxt>
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