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    <element id="LASE_SharesIssuedForServices" name="SharesIssuedForServices" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_DistributionToAffiliate" name="DistributionToAffiliate" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_FinancingCostsAsAdditionalNotePrincipalOnDefault" name="FinancingCostsAsAdditionalNotePrincipalOnDefault" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_NetChangeInRightOfUseAssets" name="NetChangeInRightOfUseAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_ProceedsFromIssuanceOfCommonStockAndWarrantsNetOfOfferingCosts" name="ProceedsFromIssuanceOfCommonStockAndWarrantsNetOfOfferingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_ProceedsFromWarrantInducementExerciseNetOfOfferingCosts" name="ProceedsFromWarrantInducementExerciseNetOfOfferingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_SharesIssuedForInvestment" name="SharesIssuedForInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_InventoryTransferredToPropertyPlantAndEquipment" name="InventoryTransferredToPropertyPlantAndEquipment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_DeemedDividendOnWarrantInducementOffering" name="DeemedDividendOnWarrantInducementOffering" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_StockIssuedDuringPeriodValuePublicOfferingOfCommonStockAndIssuanceOfEquityclassifiedWarrantsNet" name="StockIssuedDuringPeriodValuePublicOfferingOfCommonStockAndIssuanceOfEquityclassifiedWarrantsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_StockIssuedDuringPeriodSharesPublicOfferingOfCommonStockAndIssuanceOfEquityclassifiedWarrantsNet" name="StockIssuedDuringPeriodSharesPublicOfferingOfCommonStockAndIssuanceOfEquityclassifiedWarrantsNet" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_StockIssuedDuringPeriodValueIssuanceOfCommonStockUponExerciseOfWarrants" name="StockIssuedDuringPeriodValueIssuanceOfCommonStockUponExerciseOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_StockIssuedDuringPeriodSharesIssuanceOfCommonStockUponExerciseOfWarrants" name="StockIssuedDuringPeriodSharesIssuanceOfCommonStockUponExerciseOfWarrants" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_StockIssuedDuringPeriodValueIssuanceOfCommonStockAndWarrantsFromWarrantInducementOfferingNet" name="StockIssuedDuringPeriodValueIssuanceOfCommonStockAndWarrantsFromWarrantInducementOfferingNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_StockIssuedDuringPeriodSharesIssuanceOfCommonStockAndWarrantsFromWarrantInducementOfferingNet" name="StockIssuedDuringPeriodSharesIssuanceOfCommonStockAndWarrantsFromWarrantInducementOfferingNet" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_AdjustmentsToAdditionalPaidInDeemedDividendForCashlessExerciseOfWarrant" name="AdjustmentsToAdditionalPaidInDeemedDividendForCashlessExerciseOfWarrant" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_DisclosureAssetAcquisitionFromCommonControlledEntityAbstract" name="DisclosureAssetAcquisitionFromCommonControlledEntityAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_AssetAcquisitionFromCommonControlledEntityTextBlock" name="AssetAcquisitionFromCommonControlledEntityTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_WarrantsPolicyTextBlock" name="WarrantsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_ContractAssetsAndLiabilitiesPolicyTextBlock" name="ContractAssetsAndLiabilitiesPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_ScheduleOfPropertyPlantAndEquipmentEstimatedUsefulLifeTableTextBlock" name="ScheduleOfPropertyPlantAndEquipmentEstimatedUsefulLifeTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_WorkingCapital" name="WorkingCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_WarrantExerciseAndInducementTransactions" name="WarrantExerciseAndInducementTransactions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_InventoryConsignment" name="InventoryConsignment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_ImpairmentLossOfIntangibleAssets" name="ImpairmentLossOfIntangibleAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_ContractAssets" name="ContractAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_AssetAcquisitionFromCommonControlledEntityAbstract" name="AssetAcquisitionFromCommonControlledEntityAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_AssetAcquisitionFromCommonControlledEntityTable" name="AssetAcquisitionFromCommonControlledEntityTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="LASE_ScheduleOfWarrantsActivityAbstract" name="ScheduleOfWarrantsActivityAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_ScheduleOfWarrantsActivityTable" name="ScheduleOfWarrantsActivityTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="LASE_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsOutstandingWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsOutstandingWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsExercisableNumber" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsExercisableNumber" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsExercisableWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsExercisableWeightedAverageExercisePrice" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_ClassOfWarrantOrRightTerm" name="ClassOfWarrantOrRightTerm" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_ProceedsFromIssuanceOfSharesAndWarrantsNet" name="ProceedsFromIssuanceOfSharesAndWarrantsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_ClassOfWarrantOrRightExercisePriceReducedOfWarrantsOrRights1" name="ClassOfWarrantOrRightExercisePriceReducedOfWarrantsOrRights1" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_ProceedsFromExerciseOfWarrantsNet" name="ProceedsFromExerciseOfWarrantsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_CommonStockSharesOutstandingPercentage" name="CommonStockSharesOutstandingPercentage" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" name="RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_RevenueFromContractWithCustomerExcludingAssessedTaxForAffiliate" name="RevenueFromContractWithCustomerExcludingAssessedTaxForAffiliate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_AssetPurchaseAgreementMember" name="AssetPurchaseAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="LASE_DeemedDividendForCommonControlAcquistion" name="DeemedDividendForCommonControlAcquistion" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
